Definitions by BaileyBoo28

Groin Clench 

When a girl gets an involuntary twinge in the groin region as a result of thinking of/ witnessing something arousing.

Keenan: Did you SEE Channing Tatum in uniform in Dear John?
Caitlin: YES, I groin clenched so bad!

Groin Clench by BaileyBoo28 April 21, 2011