When you think you are pushing out a fart but you actually slightly shit yourself, resulting in you having to throw out that 100 dollar Gucci underwear.
On a date with a hot chick.
Dave: "Oh shit I have to fart, but what if she hears? Fuck it."
*Juicy wet fart sound emerges*
Aileen: "What the fuck was that?"
Dave Biffed himself when on a date with a big booty hoe.
Dave: "Oh shit I have to fart, but what if she hears? Fuck it."
*Juicy wet fart sound emerges*
Aileen: "What the fuck was that?"
Dave Biffed himself when on a date with a big booty hoe.
by BootyConnosieur February 6, 2017
Get the Biffmug. 
(verb)
to accidentally knock into something/hurt yourself by your own strength/physically hurt somebody else.
(noun)
a term of endearment.
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!'
'When the train jolted I biffed myself in the face'
'Shutup loser or I'll be forced to biff you'
'HELLO BIFF!'
by Peanuts3 April 13, 2009
Get the biffmug. by Cunninglinguist1273 March 29, 2017
Get the biff downmug. Slang term for cigarette, popular in areas including but not restricted to Wigan. Has also been to known to refer to joints or spliffs amongst less-well-informed members of society, such as cockneys.
by Peter Vancouver November 1, 2006
Get the biffmug. A big biff is when you fall down, mess up on something, get pwned by someone or generally do anything that causes embarrassment.
Person 1: I tripped over my own shoelaces and fell down in front of everybody at school.
Person 2: Yikes, big biff!
Person 2: Yikes, big biff!
by Zozothecat July 7, 2022
Get the big biffmug. 