Everyone has that one person — the one you text at 2 a.m., the one who knows your coffee order by heart, the one who’s seen you at your worst and stuck around anyway. But “best friend” only scratches the surface of what that bond really feels like.
That’s where slang for best friend comes in. From timeless classics like “BFF” to newer Gen Z terms like “bestie” and “it girl,” the English language is overflowing with creative, funny, and heartfelt ways to describe the people closest to you.
In this guide, you’ll find 50+ slang words for best friend, organized by tone and era, each with a clear meaning, example sentence, and guidance on when to use it. Whether you’re writing a birthday caption, crafting dialogue, or just curious about how people talk about friendship, this list has you covered.
Let’s get into it.
Classic and Timeless Best Friend Slang
These are the tried-and-true terms that have been around for decades. They’re widely understood, work across age groups, and never go out of style.
1. BFF
Meaning: Short for “Best Friends Forever” — your closest, most loyal friend.
Example: “We’ve been BFFs since the third grade, and nothing has changed.”
When to Use It: Casual conversation, texting, social media captions. Works for all ages but especially popular among teens and young adults.
2. Bestie
Meaning: A short, affectionate term for your best friend.
Example: “Going to brunch with my bestie this weekend — we haven’t caught up in weeks.”
When to Use It: Informal, warm contexts. Extremely popular on social media and in everyday conversation.
3. Buddy
Meaning: A close friend, often used between males but increasingly gender-neutral.
Example: “He’s been my buddy since college — we’ve been through everything together.”
When to Use It: Casual, friendly settings. Common in American English across all age groups.
4. Pal
Meaning: A reliable, easygoing friend you can count on.
Example: “She’s been a real pal through this whole job search — always checking in.”
When to Use It: Slightly old-fashioned but still widely used. Works in both casual and semi-formal contexts.
5. Sidekick
Meaning: The person who’s always by your side, your loyal companion in every adventure.
Example: “Wherever I go, my sidekick is right there with me.”
When to Use It: Playful, lighthearted contexts. Great for captions and storytelling.
6. Partner in Crime
Meaning: The friend you do everything with — especially fun or slightly mischievous things.
Example: “She’s my partner in crime — every road trip, every spontaneous decision, she’s there.”
When to Use It: Casual, fun settings. Perfect for social media, speeches, and lighthearted writing.
7. Amigo
Meaning: The Spanish word for “friend,” widely used in English to refer to a close buddy.
Example: “Hey amigo, you coming to the game tonight?”
When to Use It: Casual conversation. Common in American English, especially in the Southwest and among bilingual speakers.
8. Chum
Meaning: An old-fashioned term for a close friend or companion.
Example: “He was my childhood chum — we used to build forts in the backyard every summer.”
When to Use It: Slightly dated, but charming in writing, storytelling, or when going for a nostalgic tone.
9. Mate
Meaning: A close friend. Extremely common in British and Australian English.
Example: “He’s my best mate — we’ve known each other since primary school.”
When to Use It: Very common in British, Australian, and New Zealand English. Less common in American English but widely understood.
Modern and Gen Z Best Friend Slang
These terms reflect how younger generations talk about friendship — often with humor, affection, and internet-influenced language.
10. Ride or Die
Meaning: A friend who’s loyal no matter what — through good times and bad, no questions asked.
Example: “She’s my ride or die — she showed up at 3 a.m. when my car broke down, no complaints.”
When to Use It: Informal, expressive contexts. Popular in hip-hop culture and Gen Z slang. Conveys deep, unconditional loyalty.
11. Day One
Meaning: A friend who’s been with you since the very beginning.
Example: “That’s my day one right there — we’ve been tight since kindergarten.”
When to Use It: Casual, sentimental contexts. Great for captions, toasts, and conversations about long-term friendships.
12. Main Character
Meaning: The friend who stands out, lights up the room, and makes everything more interesting.
Example: “She walked into the party and immediately became the main character — that’s just who she is.”
When to Use It: Gen Z social media culture. Used affectionately to hype up a friend.
13. Soulmate (Platonic)
Meaning: A friend who understands you on such a deep level that it feels like your souls are connected.
Example: “She’s not just my friend — she’s my platonic soulmate. We finish each other’s sentences.”
When to Use It: Heartfelt conversations, birthday messages, or any time you want to express deep emotional connection.
14. Bestie for the Restie
Meaning: A playful, rhyming way of saying “best friend forever.”
Example: “We made a pact in high school — besties for the resties, no matter what.”
When to Use It: Fun, lighthearted contexts. Popular with younger generations on social media.
15. Twin
Meaning: A friend who’s so similar to you that people confuse you or think you’re related.
Example: “We showed up wearing the same outfit again — she’s literally my twin.”
When to Use It: Casual, playful contexts. Used when you and your friend share eerily similar tastes, habits, or looks.
16. Comfort Person
Meaning: The friend you go to when you need to feel safe, calm, and understood.
Example: “After the worst day ever, I just wanted to sit with my comfort person and not say a word.”
When to Use It: Intimate, vulnerable conversations. A Gen Z term that emphasizes emotional safety.
17. Unhinged Duo
Meaning: Two best friends who are chaotic, hilarious, and slightly out of control when together.
Example: “Put us in the same room and we become an unhinged duo — the stories write themselves.”
When to Use It: Humorous, social media contexts. Used to celebrate the fun, wild side of friendship.
18. No. 1
Meaning: Your top person — the friend who ranks first above everyone else.
Example: “She’s my number one, always has been. Nobody comes close.”
When to Use It: Casual, affectionate settings. Works in conversation and social media.
Street and Urban Slang for Best Friend
These terms come from hip-hop culture, African American Vernacular English (AAVE), and urban communities. Many have crossed into mainstream usage.
19. Homie
Meaning: A close friend, especially one from your neighborhood or inner circle.
Example: “That’s my homie — we grew up on the same block and still talk every day.”
When to Use It: Casual, familiar settings. Very common in American English, especially in hip-hop and urban culture.
20. Dawg
Meaning: A loyal, trusted friend — someone you consider family.
Example: “What’s good, dawg? Haven’t seen you since the cookout.”
When to Use It: Very informal. Common among male friends, though increasingly used across genders.
21. Fam
Meaning: Short for “family” — a friend so close they feel like a relative.
Example: “You don’t need to explain yourself — you’re fam, and that’s all that matters.”
When to Use It: Casual conversation, texting, social media. Emphasizes that the bond goes beyond typical friendship.
22. Bro / Bruh
Meaning: Short for “brother” — a close male friend, though now used across genders.
Example: “Bro, you’re the only person I’d trust with my Netflix password.”
When to Use It: Extremely casual. Universal across age groups and increasingly gender-neutral.
23. Homegirl / Homeboy
Meaning: A close friend from your neighborhood, school, or social circle.
Example: “That’s my homegirl — she’s had my back since freshman year.”
When to Use It: Casual, familiar contexts. Common in American English, especially in urban communities.
24. Squad
Meaning: Your tight-knit group of best friends.
Example: “The squad is getting together this Friday — it’s been way too long.”
When to Use It: Casual group settings. Popularized by social media and pop culture in the 2010s.
25. Crew
Meaning: Your inner circle of close friends who go everywhere together.
Example: “The whole crew showed up to support her at the gallery opening.”
When to Use It: Casual, slightly older than “squad.” Works for both social media and everyday conversation.
26. OG
Meaning: Short for “Original Gangster” — an old, loyal friend who’s been around from the start.
Example: “He’s an OG in my life — been solid since before anyone else showed up.”
When to Use It: Informal, respectful. Used to honor a long-standing, loyal friend.
27. Ace
Meaning: Your number-one person — the friend you trust above everyone else.
Example: “She’s my ace — when things fall apart, she’s the first person I call.”
When to Use It: Casual, confident settings. Common in AAVE and hip-hop culture.
28. G
Meaning: Short for “gangster” but used affectionately to mean a loyal, solid friend.
Example: “Thanks for covering my shift — you’re a real G.”
When to Use It: Very informal. Used between close friends, often with a tone of gratitude or respect.
Cute and Affectionate Best Friend Slang
These terms are warm, sweet, and perfect for expressing how much someone means to you.
29. Boo
Meaning: A term of endearment for a close friend (or romantic partner), showing deep affection.
Example: “Happy birthday to my boo — the person who makes every bad day better.”
When to Use It: Affectionate, playful settings. Common among female friends and on social media.
30. Love
Meaning: A British English term of endearment used for close friends.
Example: “You alright, love? Haven’t heard from you in a while.”
When to Use It: Common in British English, especially in the North of England. Warm and familiar.
31. Sunshine
Meaning: The friend who brightens your day just by being around.
Example: “You’re my sunshine — everything feels lighter when you’re here.”
When to Use It: Sweet, sentimental contexts. Great for birthday messages and heartfelt notes.
32. Person
Meaning: Short for “my person” — the one friend who gets you better than anyone.
Example: “You’re my person. No matter what happens, that doesn’t change.”
When to Use It: Emotional, intimate settings. Popularized by TV shows like Grey’s Anatomy.
33. Other Half
Meaning: A friend who complements you so well that you feel incomplete without them.
Example: “She’s my other half — I’m the planner, she’s the spontaneous one, and together we’re unstoppable.”
When to Use It: Heartfelt conversations, captions, or tributes to a close friend.
34. Wifey / Hubby (Platonic)
Meaning: A playful term for a best friend who feels like a life partner — without the romance.
Example: “That’s my wifey right there — we grocery shop together, complain about bills together, all of it.”
When to Use It: Playful, exaggerated affection between close friends. Very popular on social media.
35. Angel
Meaning: A friend who’s so kind, supportive, and selfless that they seem almost heavenly.
Example: “She brought me soup, cleaned my apartment, and stayed until I felt better. She’s an absolute angel.”
When to Use It: Expressing deep gratitude and admiration for a friend’s kindness.
36. Peanut Butter to My Jelly
Meaning: The friend who completes you — you go together perfectly.
Example: “She’s the peanut butter to my jelly — nothing works quite right when we’re apart.”
When to Use It: Fun, affectionate contexts. Great for lighthearted tributes and captions.
Funny and Creative Best Friend Slang
These terms bring humor and personality to the way you describe your closest friendships.
37. Dude
Meaning: A casual, all-purpose term for a friend, used across genders.
Example: “Dude, you won’t believe what just happened at work.”
When to Use It: Extremely casual. One of the most versatile slang words in American English.
38. Partner in Chaos
Meaning: The friend who makes every situation more unpredictable — and more fun.
Example: “She’s not just my friend — she’s my partner in chaos. Every plan we make goes sideways.”
When to Use It: Humorous, social media-friendly contexts. A modern twist on “partner in crime.”
39. Trouble
Meaning: The friend who always leads you into fun, messy, or unexpected situations.
Example: “Here comes trouble — last time she said ‘let’s just go for one drink,’ we ended up at karaoke until midnight.”
When to Use It: Playful, affectionate teasing between close friends.
40. Work Wife / Work Husband
Meaning: The coworker who’s essentially your best friend at the office.
Example: “My work wife and I have lunch together every day — she’s the only reason I survive Mondays.”
When to Use It: Workplace humor and casual conversation about office friendships.
41. Enabler
Meaning: The friend who always encourages your impulses — for better or worse.
Example: “I wasn’t going to buy the shoes, but my enabler said ‘you deserve it,’ and here we are.”
When to Use It: Humorous, self-aware contexts. Used with love, not actual criticism.
42. Therapist (Unofficial)
Meaning: The friend you vent to about everything — your unpaid emotional support system.
Example: “She’s basically my unofficial therapist — she’s heard it all and still picks up the phone.”
When to Use It: Humorous appreciation for a friend who always listens.
43. Cryptid
Meaning: The friend who’s rarely seen in public but somehow always there when it matters.
Example: “She’s a total cryptid — nobody sees her for months, then she shows up like nothing happened.”
When to Use It: Gen Z humor. Used affectionately for introverted or elusive friends.
44. Chaos Goblin
Meaning: The friend who thrives on disorder and drags you along for the ride.
Example: “My chaos goblin of a best friend convinced me to book a trip two hours before the flight.”
When to Use It: Internet culture, humorous storytelling. Celebrates the wild, impulsive side of friendship.
International Best Friend Slang Used in English
These terms originated in other languages but are commonly used by English speakers, especially in multicultural communities.
45. Hermano / Hermana
Meaning: Spanish for “brother” or “sister” — used for a friend who feels like family.
Example: “She’s my hermana — we might not share blood, but we share everything else.”
When to Use It: Common among bilingual English-Spanish speakers and in multicultural communities.
46. Bruv
Meaning: British slang for “brother” — a close male friend.
Example: “Bruv, I can’t believe you actually did that — you’re mad.”
When to Use It: Very common in London and British urban culture. Informal and familiar.
47. Habibi / Habibti
Meaning: Arabic for “my beloved” — used between close friends (male/female respectively) to express deep affection.
Example: “Habibi, you’re the only one I’d share my last bite of food with.”
When to Use It: Common in Middle Eastern communities and increasingly used in multicultural English-speaking circles.
48. Yaar
Meaning: Hindi/Urdu for “friend” — used casually among South Asian English speakers.
Example: “Yaar, stop overthinking — it’s going to work out, trust me.”
When to Use It: Casual, familiar settings. Common among South Asian English speakers.
49. Broski
Meaning: A playful twist on “bro” with a casual, humorous feel.
Example: “Broski, we need to plan that camping trip before summer is over.”
When to Use It: Fun, casual conversations. Popular among younger speakers.
50. Compadre
Meaning: Spanish for “godfather” but used colloquially to mean a close friend or trusted companion.
Example: “He’s my compadre — we’ve been through more together than most people will in a lifetime.”
When to Use It: Casual, respectful. Common in Latino communities and the American Southwest.
51. Blud
Meaning: British slang for “blood” — a friend so close they’re considered family.
Example: “That’s my blud right there — we don’t need to explain ourselves to anyone.”
When to Use It: Very informal British urban slang. Common in London and among younger speakers.
How to Use Best Friend Slang in Your Writing
Match the slang to the context. “Homie” and “dawg” work in casual dialogue or social media captions, but they’d feel out of place in a formal essay. Know your audience and pick terms that fit the tone.
Use slang to reveal character. In fiction, the words a character uses to describe their friends tell the reader about their background, personality, and relationships. A character who says “mate” feels different from one who says “ride or die.”
Don’t overdo it. One or two slang terms per paragraph is plenty. Stacking too many makes writing feel forced or try-hard. Let the slang appear naturally, the way it does in real conversation.
Mix eras and tones for variety. Combining a classic term like “pal” with a modern one like “comfort person” gives your writing range and keeps it interesting. Just make sure each term fits the moment.
Use slang for emotional impact. The difference between “she’s my friend” and “she’s my ride or die” is enormous. Slang adds personality, warmth, and specificity that formal language can’t always deliver.
Frequently Asked Questions
What is the most popular slang for best friend?
“Bestie” is currently the most widely used slang term for best friend, especially on social media and in everyday conversation. It’s short, warm, and universally understood across age groups. Other popular options include “BFF,” “ride or die,” and “homie,” each carrying a slightly different tone — from playful to deeply loyal.
What is Gen Z slang for best friend?
Gen Z has introduced several slang terms for best friend, including “ride or die,” “comfort person,” “main character,” “day one,” and “bestie for the restie.” These terms often emphasize emotional depth, loyalty, and humor. Gen Z slang tends to be expressive and internet-influenced, frequently appearing in TikTok captions and text conversations.
What is the difference between “bestie” and “BFF”?
Both terms mean “best friend,” but they carry slightly different vibes. “BFF” (Best Friends Forever) has been around since the early 2000s and feels slightly more nostalgic. “Bestie” is more current and casual — it’s the go-to term on social media today. In practice, they’re interchangeable, but “bestie” feels warmer and more conversational.
Can you use best friend slang in formal writing?
Best friend slang is designed for casual, informal communication — social media, texting, dialogue, and personal writing. In formal essays, academic papers, or professional emails, it’s better to use standard terms like “close friend” or “companion.” However, if you’re writing dialogue, character voice, or creative nonfiction, slang adds authenticity and personality.
What is the British slang for best friend?
In British English, the most common slang for best friend is “mate,” as in “best mate.” Other British terms include “bruv” (short for brother), “blud” (meaning someone close enough to be family), and “chum” (a more old-fashioned option). British English has its own rich tradition of friendship slang that differs from American English.
Conclusion
The way we talk about our closest friends says a lot about the bond itself. A “bestie” feels different from a “ride or die,” which feels different from a “comfort person” — and that’s the beauty of slang for best friend. Each term carries its own weight, warmth, and personality.
Whether you’re writing a birthday caption, crafting a character’s voice, or simply looking for a fresh way to describe the people who matter most, these 50+ slang words give you a full vocabulary of friendship.
Pick the ones that feel right, use them with intention, and explore our related guides on what is an idiom, metaphors about love, and fake friends sayings for more ways to express yourself.
