Green’s Dictionary of Slang

(US black) a general excl. which, like motherfucker n., varies as to context, from the jovially teasing to the deliberately insulting; usu. used as a retort.

1942		Z.N. Hurston ‘Story in Harlem Sl.’ in Novels and Stories (1995) 1003: If you trying to jump salty, Jelly, that’s your mammy.
1957		C. Himes Imabelle 114: You going to get some of your mama.
1965		C. Himes Rage in Harlem (1969) 113: [as 1957].
1971		H.E. Roberts Third Ear n.p.: yo’ mama an expression used to respond to another’s vituperative remarks in ‘playing the dozens.’ May sometimes be used as an apocopated form in signifying.
1983		Tom Tom Club ‘Genius of Love’ 🎵 Who that, who that trying to be bad, your mama!
1986		S. King It (1987) 709: ‘Yo mamma,’ Mike said, laughing harder than ever.
1990		S. Morgan Homeboy 137: ‘Whom ceased my music?’ [...] ‘Yo mama!’.
1999		Indep. Rev. 10 July 8: Yo’ Momma! In yo’ face!
2000		C. Cook Robbers (2001) 4: Up yours sideways, asshole. In your momma’s mouth.
2000		F.X. Toole Rope Burns 175: ‘You the one that goin down, sucker. I whup you like a stepchild.’ ‘You mama!’.