1 definition by BaileyBoo28

Top Definition
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!
by BaileyBoo28 April 03, 2011

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