BIFF 

Bad Idea(s) For Fun.

Well that was a BIFF.

BIFF by xavieridesbmx December 1, 2011

Biff 

Describing the relationship between two soul-mates

Tim and Ashely are biffs forever!

Biff by Shakazooloo March 3, 2015

Biff 

A person who has the ability of a person with Spina Bifida.

'Jesus H Christ, look at that fucktard over there licking a window'
'Yep, serious biff material.'

Biff by CabbagheadChris March 9, 2015

Biff 

When something from your child that was commonly seen as shit by you and your friends now obtains a air of positive nostalgia and you have a new likening/positive thoughts.

"Here ya seen that Citroën DS3 over their?! "
"indeed my good fellow isn't it Biff as fuck?!" but not as Biff as that Volvo 740 estate! "

Biff by PinkiedPinkpantha May 7, 2017

Biff 

A mess up. Or the acting of ruining something perfectly fine on accident.

Oh Carl, you definitely biffed that up again.

Biff by Wisdom 1:6 April 19, 2019

biff 

Another word for shit/maneur/crap/dung

I hate biff

biff by NihilegoBuil April 29, 2021

Biff 

Vagina

Stinky biff

Biff by Bigdikdan January 26, 2015