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!
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug