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!
"Screw boys...MFI foeva"
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"