biff 

To screw up, wipe out, or otherwise make a mistake.

Guy #1: <falls off bike> OW! Shit, man!

Guy #2: Dude, you biffed!

biff by laura jane December 25, 2006

biff 

a northen term for cigarette, but can also be used to discribe a "joint"

"lend me a biff mate?"

"shall i roll a biff?"

biff by loomer September 7, 2007

Biff 

Adjective used to describe someone who requires little intelligence for their job.

Sam got a biff job at a warehouse yesterday.

Biff by jessemmott08 October 3, 2010

biff 

v. To mess something up, specifically a physical activity.

I was coming down the mountain on my snowboard when I biffed.

biff by The Grammar Nazi December 3, 2001

biff 

To Fall HARD

"When running on Woodward, Verbeek biffed pretty bad."

biff by Insane V April 14, 2004

Biff 

To strike or blow.

If you don't shut the hell up, I am going to biff you in the face.

Biff by Biffmaster August 2, 2011

Biff 

An online genderless Twitter personality famous for their off-the-wall banter and good will.

Did you favorite @Biff_1ras most recent tweet? They are hilarious!

Biff by Firegurl May 29, 2015