The act of obstructing one person's advances towards another or preventing a person from action, especially sex.
BABY MAMA: I'm talking to this guy now name Terrence. He's a nice and comical guy.
BABY DADDY: You gonna have to cut that man off, I don't care if he's nice or not, he better not be in the picture.
BABY MAMA: Oh, now you wanna cockblock for the simple fact that I moved on.
BABY DADDY: You gonna have to cut that man off, I don't care if he's nice or not, he better not be in the picture.
BABY MAMA: Oh, now you wanna cockblock for the simple fact that I moved on.
by Mr. Terrence L. Trezvant December 02, 2004
cock·block·er kok blókr (plural cock·block·ers) noun - Pre-12th century. Origin uncertain, probably from medieval Latin coccus·blake cockblocker; a cockblocker; to block/blocked his/her/it's cock in say; person tries to stick his/her/it's cock into something to prove authority, where as he gets cut off by someone; conclusion; being cockblocked and becomming property of the person he/she/it is being cockblock by.
by poQ May 22, 2003
Adding a retarded programme on a friend's computer so he sees flying dicks on his screen and his computer is fucking blocked. yeah.. really.
Yuks is a cockblocking legend.
by The Flying Dick November 03, 2009
by Stoptheblock February 07, 2010
by chuck d March 29, 2003
by PENIS_SLAYER_2016 September 21, 2016
when some interferes with the desires of a cock
i was talking to this girl and kenneth just walks up to me and tries to start small talk... fuckin cockblock
by the man who fucked your wife August 04, 2009