BIFF

Term used by me and my friends that is another word for super mega best friends

Zoe and Millie are my BIFF's!!!

by ourladyofsorrows.exe September 4, 2017

Biff

A YouTuber who is amazing at everything and has a lot of MLG glasses

is that Biff?
Yes the MLG glasses collector

by RellicyTTV July 2, 2021

Biff

Best
Incredible
Fucking
Friend

she's my biff bitch back off

by Book-Nerd-on-Reply March 27, 2017

Biff

A gust of steamy air that speaks in between your hairy cheeks.

That steamy biff rumbled me nuts!

by NicSmasher January 18, 2023

Biff

Bet i'd fuck females

"Wanna do something tonight?"
"Biff"

by Kohn gogogog June 20, 2024

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

Biff

A phonetic way to reference a best friend (BFF) or boyfriend (BF).

Girl 1: How's the biff?
Girl 2: He's perf like usual

by P8triarch May 22, 2016