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2 definitions by Trey Smart

 
1.
When a friend of yours calls you while you are about to get it on, or when someone comes in while you and your partner are about to have intercourse and keeps you from it by talking, making noise, etc.
Dude, don't call me. Stop cock-blocking!
by Trey Smart December 06, 2007
 
2.
Another name for the penis.
Put your billy away!
by Trey Smart June 25, 2007