Noun

1. A person, usually a woman, who teases a man but then withdraws an alluded-to promise of sexual intercourse.

   That bird is a total cock tease, she's been winding blokes up all night.

2. Similarly frustrating teasing, not necessarily either sexual or done by a person.

   This film will come off as one extended cock-tease, never giving them the very thing trailers made them think they’d be getting. (Review of The Ringer)  

   The Bird Flu Is A Cock-Tease and UPDATE: Bird Flu Still a Cock-Tease! (essays on avian flu, using cock as a double entendre meaning male bird and penis)