Best Friend Telepathy

The ability two or more close friends have when they've been friends for a LONG time. They tend to know what the other(s) are thinking, finish each other's sentences and communicate using almost no words.

More common in female best friend relationships but not limited to them, inside jokes could be one of the reasons why best friend telepathy occurs.
BFF 1: Wow, our best friend telepathy is getting ridiculous
BFF 2: I know! I didn't even have to say more than two words and you already knew what I was talking about!
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best friends on the side

The act of a subset of people from a group of mutual friends engaging in a side friendship.

Also shortened to "BFOTS"
"Oh so y'all hung out last night without ME? Talk about Best Friends on the Side!"

"Wait where was my invite when yall was BFOTSing?"
by Kassieme June 28, 2015
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Best Friend Fetish

1. When a person has a thing for best friends, and time after time develops feelings or crushes on their best or close friends.

2. A person who always seems to date people who started out as their best friend.

3. a person who is most attracted to their boyfriend/girlfriend when they are acting like "just" friends.
Emily has such a best friend fetish! shes dated two best friends, hooked up with three, and used to have a crush on me!
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guy best friend

the guy who you can tell everything to. the person u can face time all the time and never run out of things to talk about. the person who tells you when you’re being a dramatic bitch. the person who makes fun of u all day long, yet still manages to build your confidence. the one who you’re ALWAYS shipped with. if you stop being friends w this person, it hurts more than anything else in the world
woah i definitely ship Kara and her guy best friend”
by hose mad August 01, 2019
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best friend day

the day in which you celebrate with your best friends.

most commonly celebrated on the 14th of every month.

created in palmdale

friend-"guess what"
friend2"what"
friend-"i got you something for best friend day!"
friend2-"im so glad i saved you from that fire."
by tillyen March 28, 2008
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best friend crush

When you have deep emotions for your "best" friend and you really really want it to stop because you told them and he/she doesn't see you in that way but they continue to talk to you and flirt in a way because they know. You hurt when you see them with other people but continue to cheer them on because you love them and want nothing but the best for them. You have so many mixed emotions about the entire situation and it just keeps getting more and more complicated. Maybe you should just tell them to stop leading you on. Yeah, they're your best friend, but that doesn't give them the right to play with your emotions just because they like the attention. Or maybe you should stop being clingy and paranoid. They'll be others. Wanna be just friends? Well fine. Tell them you're just friends, if they don't like it, that's them. They need to get their priorities straight.
Girl: who do you have a crush on?
Person: my best friend...
Girl: a best friend crush huh?
Person: yeah...it sucks but I can't stop it.
by Th3 Trüth Hürts May 29, 2017
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ex-best friend

Ex-best friends are worse than enemies. At least your enemy cares enough to hate you.
by DarkNeko August 03, 2011
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