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(ball-tapping bitch) A female who masquerades as your best friend but then suddenly and fatally kicks you in the nuts. A BTB causes tremendous and often irreversible physiological and psychological damage. Be vigilant, because you won't recognize a BTB until it's too late for you and your balls.
BTB: Hey, what's up?

Man: Not much. How about you?

BTB: Hey, what's that over there? Kicks man in cojones.

Man collapses on the floor and screams in agony.
by iwillrockyou1 September 13, 2010
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24
Acronym for "by the balls" used to refer to guys who are "pussy whipped" by the wife or girlfriend and are not allowed to hangout with friends or go to guy's night out.
Peter: dude where's Mike, that f*cking douchebag?

Louis: I talked to him earlier but I don't think he's gonna make it...

Peter: Sounds like he's btb, must be that new girlfriend.
by igno_ February 22, 2008
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25
Bitch to Be. A girl that you are either trying to date or fuck and you are very close to making it happen.
"Oh I'm just texting my btb. Yeah she's coming over tonight."
by asdfghjkl;234 September 06, 2009
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26
Boner To Bumhole.

The act of males enjoying some "fun time" with each other, humping analling and just good old boy with boy fun.
"Oh god jason, btb me NOW!"
"No, btb me first!"

"those guys had some btb action last night"
by sexy-time September 21, 2007
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28
You are at a party.You had too many drinks.

U:Tim, BTB!!!

Tim:WTF?

U(puking):too late bro...your moma's gonna need another carpet...

OR

U:that bitch looks so gross..

Tim:Yeah...bro...BTB
by bucket-guy December 11, 2009
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