BIFF

When the class fucks over one student.

The class fucked over an idiot in lesson. BIFF!

by Jimbob Larry February 28, 2017

Biff

A silly-butt

Caitlin is such a biff

by Rxgill1 February 14, 2019

biff

somebody in the military or cadets who can't be asked to put in much effort, sits out on things or is injured so can't do much or just can't be bothered to fo things properly but it's not really offensive and can be used jokingly 😂

"I can't do the marching my leg hurts so I'm going to have to bumble"
"Your such a biff!"

by militarybois August 4, 2019

Biff

Term for an idiot or numb nuts

Maff is a Biff!

by Word5leuth January 26, 2018