1. a female/male that prevents someone from getting sex.
2. someone who blocks the cock.
3. Luana
Luanaaa Ribeiro

"Daaamn look at Luana shes a hardcore cockblocker!"
by carolbitchh May 29, 2007
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to try to stop one from getting booty
stop cockblokin nigga
by bernard December 3, 2003
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A woman/girl (usually ugly) who is jealous of the fact that her friend gets dick, whilst she doesnt. thus she tries to block all cock directed at friend. the ugly bitch.
Susan stopped me from fucking helen because she was 'too close'
by p March 30, 2003
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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
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Cockblocker Duztin has a keen ability to drive the women away
by chuck d March 29, 2003
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A person who blocks someone from getting laid
hey did u hear how errin blocked mike from getting laid last night geez what a cockblocker
by PENIS_SLAYER_2016 September 21, 2016
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