MOTHERFUCKINSADFACE: used to express an unusually surprising amount of grief or melancholy immediately following an event of mild to extreme personal devastation.
Jack: I've got a prior commitment preventing me from enjoying your company tomorrow evening.

Jill: It's coo.. forget I even invited you homie

Jack: aw, alright then...mfsf
by YOFACE222 May 13, 2011
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