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2 definitions by dcwoman

 
1.
the act of a friend ending a woman's attempts to make a sexual conquest
female: I was just about to get some--why did you block the box?
by dcwoman September 14, 2005
 
2.
to put a halt to a woman's attempts to hook up

similar words: gridlocked, block the box, blocking the box,cock block
"Shit, i've got to gridlock my friend. She must be wearing beer goggles because she's hitting on the ugliest person in the bar."
by dcwoman September 14, 2005