Jack: "hey hows Mims in bed?"
Fey: "I wouldn't know"
Jack: "Well I do, I'm dating her sister and those girls are BTF, man."
by vajack August 13, 2008
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"But the fuck?"

When someone dicks you over and you don't know why
someoneA: "Last night was AWESOME!"
someoneB: "Why didn't anyone tell me? I know you all were going out last night btf?
by J}238 October 18, 2009
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Backhand to face. To give someone a backhand to the face usually in response to a snide comment.... at the same time you are insinuating that the person is a girl that wipes back-to-front.
Person 1: I just saved a bunch of money by switching to Geico. *snerk*
Person 2: BTF
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After work, I am going to a smoke a BTF!
by GBudsz February 9, 2011
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That idiot spammed all over the boards, btf!
by FragFrog November 14, 2008
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Bet the farm.

When something has a very high possiblity of happening, it is a 'btf'.
Question number 5 on the test is a btf for the exam in December.
by rabbit July 13, 2005
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"Big time failure"

Slang term used by gamers, mostly in MMORPGs.
Leeroy ran straight into the boss and we weren't even ready yet, what a BTF.
by Coconuttie October 12, 2009
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