Green’s Dictionary of Slang

to lead on in a sexual manner but never to permit actual intercourse, usu. of a woman; thus cockteasing n.

1968		(con. 1940s) G. Dutton Andy 48: This will take me in my Austin Seven [...] into town for the night on the nest, and not a night of cock-teasing either.
1979		Leather Whipper 52: I enjoyed being a cocktease, the way women had cockteased me.
1989		M. Amis London Fields 330: Keith said, ‘What do you do with Guy then?’ ‘What do you think I do?’ said Nicola. ‘I tease his fucking cock off.’.
1992		Sanford & Silverstein Number One Sunset Blvd 198: Then again, considering the way she had cockteased him back in Boston, that was hardly surprising.
1995		Guardian 25 Apr. 29/5: She cockteased Rock Hudson into marriage.
2008		M. Knox Scattered 79: In the case of S he argued the sex had been consensual, and with C and E he said that he had rejected them after they had ‘cockteased’ him.
2021		T. Pluck Boy from County Hell 255: ‘A little cocktease whore’.