someone who prevents others from pulling
(doing a mark)
Guy - Hey, do you want a drink?
Girl - Yeah, sure
COCK BLOCK MARK - YEEAAAH, THREE POINT ONNEEE
Girl - *Leaves*
One who prevents another from scoring sexually.
Trudy and Dan frequently had time alone but her cockblocking roommate ruined any chances they had to have sex.
1) The prevention of a potential hook-up. Either done by a jealous friend/douschebag, or by an overprotective friend (Mother Hen) of the girl involved in potential hook up. (see game killer.
2) The act of "cutting" at a 4-way stop sign and "cock-blocking" someone who has waited thier turn at a stop sign.
1) Guy 1: I'd really like to see you again.
Girl 1: I don't have to go home tonight.
Guy 2: Hey Carl, remember that time you shit yourself?
Girl 1: Ummm... I have somewhere to be...
2) This dumbass in a drivers ed car just cock blocked me at the stop sign. So I tailgated the fucker till he ran of the road, it was my turn at the stop sign, he needs to learn his place.
1. (n.) A result of a friend, stranger, or acquaintance making sexual relations or intercouse impossible (by accident or purposely) with a member of the same or opposite sex.
2. (v.) To make the act of having sexual relations with a member of the same or opposite sex impossible (by accident or on purpose.)
1. "Last night I was chillin' wit Shorty at a party, when some dude walked into the wrong room and she didn't feel like doin' it no more...I was an unfortunate victim of cock-block.
2. "Last night I saw James tryin' to hook up wit Jenny and he knows I like her! So, before she left wit him to the other room, I told her that he has Herpes. Next time I talk to him I'm sure he gonna wanna kick my ass for cock-blocking him."
One who prevents another from scoring with very hot girls.
Carrie cock blocked Dave by not leaving him alone with that really hot girl.
interupting on a buddy or someone while he is trying to get with a girl
Wow, that guy is being a real cock-block.
To hinder, by whatever means, the chances of another male from getting a sexual encounter with a female.
Man, will you get da fuck outta here and stop cock blocking me you Ja Rule loving parasite.