1. a biff is someone who thinks they are really good at everything but in reality, they are actualy quite shit at life

2. in plain english, a fucking retared and mass produced waste of human seed
Tom : hay man you alright
Aaron:yer im good cheers
Tom :ah mate, i was working in kfc earlier and this fucking biff strolled in and orderd practicaly the whole menu
Aaron: what a biff
by xazarac November 25, 2009
1. (noun) A man that is allergic to shoes, and thus requires allergy shots. Also, Biff's are notorious for low-nil-card-sliding and the accompanying facial expression of contempt for their competitors.
2. (verb) When going nil in Spades, the act of sliding a low card under all other cards of a trick, while simultaneously delivering a countenance of haughty contempt.
Damn, Biff's about to make nil with his shoes on and everything. Did you see when he Biffed that last trick?
by XPizzle June 19, 2008
the act of love making(shaggin)
"jesus look at the tits on that, shes well worth a biffin"
by biff March 22, 2003
(VERB) To borrow with no intent of returning, to spend all gas money on reese's, dip, four loco's, alchol, beer and/or scratchers.
Yo can I biff a dip bro?

Yo I can I biff food from you?
by scrawning gigantor July 08, 2011
Biff - Brotha id fight for
-fck is good with that niqqa?
--- fuckup thats my biff
- ur what??
-- biff niiqqa ," brotha id fight for"

sos^ sosity^ bx^
by SO$ity October 16, 2010
An unexpected force that catches you by surprise thus, it is unexpected.
Batman biff a man on a boat in the old movie, kind of like POW or SMACK.
by faceplantofthebiff May 03, 2010
To the Longboarding community including a wide range of longboarders such as the hippie longboarder, to biff is to lose control of your longboard and fall off causing physical damage to one's self. Biff or 'Biffing' also relates to eating the pavement where one who falls off their longboard hits the ground face first, usually hitting their mouth on a concrete or paved surface (not to be confused with curb stomping).
I totally biffed on my longboard and took a mouthful of concrete.
by JohnnytheFLASH May 02, 2010

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