biff out 

To take a fit of rage/anger
To lash out

"Dude he just biffed out!"
"Calm down man, don't biff out about it"

biff out by Disco Stu July 29, 2006

biff them out 

To remove someone from contention "biff them out" or "biff someone out" was a slang term. Originally coined in the Midwestern U.S., in the 1960's common usage, the phrase was used to describe removing someone from contention, preventing them from succeeding, as in "they were biffed out" or eliminated from competition. In sports, it could mean being wiped out of competition, or to fail.

Biff them out. 1. They were biffed out of any chance at success when their past criminal history was exposed. 2. She was biffed out of any chance of winning.

biff them out by AnadosD October 27, 2023