biff down

To eat quickly, particularly in reference to large quantities of unhealthy food.

I'm late but hungry so I will biff down the entire cake then run to catch the train.

by Cunninglinguist1273 March 29, 2017

Biff and chill mate

Biff and chill mate is when you smoke weed and watch Netflix and just chill and feel the vibe.

“You want to Biff an chill mate”
“That Biff and chill mate has got me steaming”

by Stayout March 29, 2019

Biff-ie Jester

cheap ass plastic Lighters you get for about 99p/per1000 and the break like MoFo's from broadway!

"Pass me that that biff-ie Jester son!"
"no juice man, its busted again!"
"SHIT SON!"

by kidd March 6, 2004

Biff chowder

To take a shit, defecate, rectally relief yourself.

Who was the last one to biff chowder in the toilet? They didn't flush....

by Zorba the FlipIrish December 21, 2021

Plop biff boof biff biff EEEEEE

Luigi's infamous 0 to death combo in the game Super Smash Bros. Ultimate

Commentator: ELEGANT HAS PULLED OFF A PLOP BIFF BOOF BIFF BIFF EEEEEE!!! THIS IS INSANE!!!!!!!!

by Scooty789 February 2, 2019