cock-blocking

cock-blocking

vulgar slang Interfering with or preventing a male from having a sexual encounter. "Cock" is a slang term for a penis. That girl was totally into me, until you cock-blocking fools came along and ruined it!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

cock-blocking

mod. [someone or something] interfering with a man’s activities with a woman. You’re just a cock-blocking playa-hata.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
The mantra itself is annoying (as if there were only one, monolithic version of 2018), but the film's determination to fight the good fight in the midst of a cock-blocking comedy is rather sweet.
And after days of being secluded from the other bros by the tyrants (Ewan Bowman and Joe Hammeke) who were cock-blocking the "good seats," the trio had but two options: either be crushed by the oppressive climate or cling together like true survivors and overcome the situation.