Definitions by Peanuts3

biff 

(verb)

to accidentally knock into something/hurt yourself by your own strength/physically hurt somebody else.

(noun)

a term of endearment.

'I just biffed myself on the wall' (i just walked into the wall)

'When the train jolted I biffed myself in the face'

'Shutup loser or I'll be forced to biff you'

'HELLO BIFF!'

biff by Peanuts3 April 13, 2009