To pretty woman someone, to engage in sexual activities/intercourse without kissing the other person.
Taken from the film 'Pretty Woman' where a prostitute had sex with a man but kissing him is too personal.
Often used as a loophole for cheating
Woman 1: so did you have sex with him?
Woman 2: no, i told him i wouldn't as he has a girlfriend.
Woman 1: what did he say?
Woman 2: he said it wouldn't be cheating as long as we didn't kiss
Woman 1: Whoa! So he tried to pretty woman you?!