1 definition by maddox08

Top Definition
Someone who uses different strategies to keep others from having sex
1. Courtney announces to others that a guy has herpes so even though eveyone gets a good laugh, no one will touch him.
2. Trashley: "Courtney is a natural-born cock-block because she falls asleep in the room everytime I want to bring my boyfriend in there!"
by maddox08 September 27, 2005

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