Definitions by RandomFandom

mfi 

Mother Fucking Idiot

"Did you hear james tripped on the stairs this morning? what a mfi"

mfi by RandomFandom July 28, 2021

Hiif 

An Internet Acronym for the phrase: "Hell If I Know"

"my dog might speak english in his head but hiif"

Hiif by RandomFandom August 29, 2018