Urban Dictionary: mfu

2.	mfu
	stands for "Mad Fucked Up" Roger: I heard you called that girl a bitch. Tina: I did! Roger: Wow MFU, she's moving tomorrow. buy mfu mugs & shirts mad fucked up not cool by Chinners97 Nov 18, 2010 add a video
1.	MFU
	acronym for 'mad fucked up' Bob: Damn i'd sure like to cut Lisha's cake. Joe: Dude, Lisha's your best friend's girlfriend. MFU! buy mfu mugs & shirts screwed up messed up chill that's mean chillax by Seeonieeee Nov 13, 2010 add a video
3.	Mfu
	Short for Mother Fucker You're such a Mfu buy mfu mugs & shirts mfu short for mother fucker you're such a publish this idiots by M F U Mar 9, 2010 add a video