To be let down/sold out/ignored by a girl.
"She biffed me last weekend to go out with her girl friends"

"she seemed to like me but when i text her i got totally biffed."
by galdemcreepermcfc March 19, 2008
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The small area of skin between a woman's cunt and asshole where a guy's balls slap against when he is fucking her
Boy, Mary's biffing plate got a good hammering last night
by sanddevil November 3, 2008
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Dude, I was just out Quiggle Biffing

Biff any good Quiggles lately
by QuiggleBiffer November 16, 2010
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Bif Nasty is the alter-ego of Ben Senter. Bif Nasty is a rude, crude dude that is a BAMF. He takes what he wants and wants what he takes. He is a limo riding, jet flying, wheeling, dealing, kiss stealing son of a gun. He is the best at whatever he does and wins everytime. Bif Nasty is not, I repeat NOT to be fucked with.
Guy A: Hey, who is that guy that is winning all the games and kissing all the girls?

Guy B: Dude, don't you know, it's Bif Nasty!!!
by Bif Nasty May 10, 2007
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A silly insult used by the Frogs to define the British, apparently because we eat too much roast beef.
Frenchie: Tu es un ros-bif!

Limey: Qui-a-mangé toute les tourtes?
by Gumba Gumba March 6, 2004
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The area connecting the vagina and the anus. The bridge between the 2 biffing holes.
She took it in the front and then I walked over the biffing bridge to the back. Easy traffic. Managed without Google maps.
by Silly Tilly March 11, 2018
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