MLFU

Major League Fuck Up

"johnny just got caught choking his chicken in the restroom"
"gee whiz that kids a MLFU"

by ChimoStine May 2, 2010

MLFU

Major league fuck up

The act of fucking up big time, similar to a fucky wucky.

Guy 1: If you don't hear from me by tomorrow, I'm dead.

Guy 2: what did you do?

Guy 1: A MLFU.

by GameMech May 25, 2020

Mlfu

Mlfu means much love for u

Thanks for wishing me a happy birthday mlfu 😘

by Olivia hamster November 5, 2019