Green’s Dictionary of Slang

ball v.3

[balls n. (1); but note SE ball, a dance and combs. at dance v. (1)]

to have sexual intercourse.

[US]A. Ginsberg ‘Howl’ Howl and Other Poems 9: Who balled in the mornings in the evenings in rosegardens.
[US]M. Braly Shake Him Till He Rattles (1964) 34: She was all bitched up behind Lee. She knew he occasionally balled other chicks on the side, but he was the only one who could turn her on.
[US]‘Jay Solo’ ‘A Girl Named Poison’ in Pulling a Train’ (2012) [ebook] [of a woman] Running around the strets like a tramp, balling with every rumdum and jerk.
[US]G. Vidal Myra Breckinridge in Mills (1983) 332: In any case, if I had wanted you to — as you put it — ‘ball me,’ it’s very plain that you couldn’t.
[US]E. Torres After Hours 195: Only place left we ain’t balled is the hall closet.
[US]H. Selby Jr Song of the Silent Snow (1988) 75: Shes probably ballin some other cat but wants to keep you around in case it dont work out.
[US](con. 1930s–60s) H. Huncke Guilty of Everything (1998) 234: I don’t know who was balling whom or what, but we were sitting around naked.
[UK]K. Sampson Powder 351: You’re balling a kooky chick, right?
M.E. Dassad ‘Chickenhawk’ at [Internet] The black guy was much cooler, he simply stood, watching his friend ball Karen, slowing pulling his mammoth dick as it got harder and fatter and longer.
[UK]T. Black Gutted 85: He’s balling your ex.
[US](con. 1973) C. Stella Johnny Porno 22: ‘This broad balled him?’ ‘She’s probably balled everybody’.

In phrases

ball off (v.)

see separate entry.