Green’s Dictionary of Slang

1. (US black/prison) a knife-fight.

1928		C. McKay Home to Harlem 99: Brooklyn ain’t no better than Harlem [...] Theah’s as much shooting-up and cut-up in Prince Street. [Ibid.] 252: I had heard somebody talking about Jerco in the saloon, however, saying that he could swing a mean fist when he got his dander up, and that he had been mixed up in more than one razor cut-up.
1975		N.Y. Post 22 July 3: There have been [...] five ‘cut-ups’ – knife battles between black and Hispanic inmates [HDAS].

2. (US black) sexual intercourse.

1998		OutKast ‘West Savannah’ 🎵 Wanna know if he can get some cut up.
2000		Ebonics Primer at www.dolemite.com 🌐 cut-up Definition: to get laid Example: Shawty, am I gonna get some cut-up or what!