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Nickname of the law firm Morrison Foerster.
I just got a sweet job at Mofo.
mofo by real mofo November 3, 2006
Related Words
Abbr. for Mozilla Foundation, that exists to provide organizational, legal, and financial support for the Mozilla open-source software project known about the Firefox web browser.
Yo man, MoFo kicks fukin' ass!
a well cool way of saying yo or sup to ya m8s like if ya friend walked through the door u could say "sup mofo whats crackin home boy",its also a shorter way of saying mother f***er in da nice way

if someone said...

mofo - if someone say that to u dey is bein well nice to u

mother f**cker - if dey say dat they is bein a right knob and batty boy
"yo mofo wats crackin homeboy"
mofo by Deano A.K.A Ali g October 7, 2006
a term that can substitute for "thing", otherwise known as a direct object. Refer to homo, when using indirect objects.
Girl: Get me the mofo from the homo.

Stranger: What are you talking about?

Girl's Boyfriend: She wants you to get her the Cheez-itz..
mofo by liaostep August 18, 2012
A person of ill-repute
You are such a mofo!!!
Mofo by CuJ January 17, 2008
Karl's joined the mofo gang now, his new girlfriend has a five-year-old.
MoFo by Hypernova August 30, 2005