Biff 

A word used commonly in Wales in the UK.
Another word to use aswell as Joint, Spliff, Doobie ect.
a Biff is a cigarette rolled with king skins, tobacco and Cannabis.

Kristian - "James Make a Biff en"
or
James - "I Just made one ell of a Biff"

Biff by Metal Mends. June 7, 2009

biff 

it means ANYTHING
to throw something

biff u u biffin biff!!

he biffed the ball into my face

the biffin person biffed it at my biff

see it means anything: $576-biff

biff by aisney April 5, 2008

biff 

Someone's boyfriend.

i'd like to introduce you to my biff, mike.

biff by frsssstv April 12, 2006

Biff 

It is the large upper area above the vagina/pussy with excees fat filling.

Dude, that lady walking down the street has a big ole biff

Biff by Garon Douglas April 29, 2007

Biff 

To throw something or someone erratically usually out of anger or rage

Just biff that dinner plate in the sink

Biff by HMKZ March 27, 2015

Biff 

To cum into the eyeball of another.

Sorry babe, but I thought it would be funny to biff and knock out your eye : /

Biff by Vicz0t teh pwnz0r September 8, 2006

Biff 

A stupid or obtuse person. Normaly thought of as a typical Jock, large, fairly dim
and slow on the uptake.

when talking to someone dense..." Hey Biff What you up to?"
describing someones actions as idiotic, " stop being such a Biff"

Biff by slabery January 26, 2009