MFI

MOTHER FUCKING INDEPENDENT

for all the single ladies/guys

in general mother fucking independent people.

Bryan: Are you a Gamma Phi??

Katie: Nah I'm MFI!

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"Screw boys...MFI foeva"

by philmob August 27, 2011

MFI

To pass an extremely large turd, to the point of tears and ripping.

Comes From "to shit a wardrobe"

"Somebody help me, after last nights beerfest I've just dropped an MFI and now my rectums prolapsed"

by Colley301279 August 2, 2007

mfi

Mother Fucking Idiot

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

by RandomFandom July 28, 2021