Top Definition
It's Mother Fucking Friday!

Usually ended with the word bitches and a high five OR a single finger point across a room of people.
IMFF Bitches!!!!

As in...Who still says TGIF? Only middle-aged women in corporate offices who think they're still cool and call each other BFF's.

TGIF? Nope....IMFF!
by aPoshb February 23, 2010
6 Words related to IMFF
In my fucking face. (Related to iyff)
I told the pizza guy to deliver to the third door on the right, but I'm in the third door on the left. IMFF.
by DoctorAcronym November 29, 2004

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