Top Definition
When you have a boyfriend/girlfriend and they are the only person you should be fucking.
Hot, sexy, attractive woman: Hey, you want some?
Guy: Sorry, I've got a crotch lock.
by ghudfhgos September 24, 2007
5 Words related to crotch lock
1. adj. the state of getting no sex for a long period of time
JaMarcus ain't called me in forever! I hate when he puts me on crotchlock!
by Sophia April 20, 2005

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