FMFL

An abbreviation for 'Four Mother Fucking Loco'. The term FMFL is used to describe the toxic effects of the alcoholic beverage Four Loco , such as drunkeness, sloppiness, and an inability to remember events.

Dude: I don't remember a thing from last night.
Another Dude: We went FMFL.

by CrayCollegeKid January 25, 2012