1 definition by Lisander Kitchenmaster
When two individuals like the same person, and guy/girl #1 prevents number 2 from getting to base 3.
Man, I was about to get with Andrew when that blonde bitch "had to talk to him"....She cock blocked me all night like that, so I put diuretics in her beer....
by Lisander Kitchenmaster August 17, 2003