cockblock

(slang) to prevent a male friend from having sex with someone

Example Sentences:

When Roger went to talk to the beautiful woman in the bar, he was cockblocked by her best friend, who said they had to leave.

Markus: Dude, do you see that beautiful woman over there?
Stephen: Yes.
Markus: I’m going to go talk to her, she’s gorgeous!
Stephen: You have a girlfriend, bro!
Markus: Don’t cockblock me, man!

From the Blogs:

Spot the cockblock

Media: