It's an abbreviation for "Mother Fucker".
Guy - I fucked your mom.
Dude - You sick Mo-Fo!
1470๐ 374๐
an abbreviation of "Mother Fucker". it is used for slang.
YOU MO FO!!!!
(you mother fucker)
279๐ 82๐
short for mother Fucker- (a place)
someone is gonna get hurt up in this mo fo
55๐ 17๐
If you are a mo fo you are a mother fucker!!!!!
"You mo fo" says the boy "fuck you" you reply
95๐ 35๐