boyfriend. from 'bf' and developed into the pronouncable word 'bif'

"i'm going to go call my bif now"
"my bif and i are going out tonight"
by britneyjk October 4, 2006
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To creep, to be seen and not heard.
Biff opened the group chat and didn't say a word. Hes biffing
by Jervisa February 8, 2017
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When someone messes up or misses. Mainly on rocket league when M thomson07 misses an open net or smallgamer32 (the best player). It can also be in IRL. The term biffed it is a term that made me and Marley have a laughing fit.
Cobuscus misses the kiss on Naomi he biffed it
by MATTMEISTER October 6, 2021
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Butt in Front. Unsightly mound of flesh between the belly and the pussy. In extreme cases, the pile of blubber may actually develop a crease between the belly button and the vagina, giving the illusion of a butt in front.
Damn, that girl Shea's bif is making me hot!! I love the way the sweat runs down....
by DyinRyan October 24, 2007
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B.I.F is a graffiti crew in Sweden, known from the hiphop group "Looptroop", which apparently has members in it.
"You think I wrote B.I.F on Mac D without a reason" -Cos.m.i.c/Looptroop/Long arm of the Law

"Cosmic stayed home but BIF crew stay tight" -Looptroop/Ambush in the night

"but the story you tell do the letters i spell
s.h.i.t with the b.i.f c.r.e.w
love graffiti til death" -Looptroop/Illegal Commercials
by sir her November 21, 2006
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