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!
by Prof. Dipl.-Ing. Schlong Dr. July 27, 2005
A man whose partner is a single mother.
Karl's joined the mofo gang now, his new girlfriend has a five-year-old.
by Hypernova August 05, 2005