crotch fleas 

Pubic or crab louse AKA crabs. also know as public lice. they're parasitic insects that infect one's genitals.

Yo, I banged this one chick and she gave me crotch fleas.

My nuts are so itchy from these crotch fleas!

crotch fleas by brownie23 October 16, 2009

Crotch Feast 

(v.) when you spill crumbs onto your pants around the crotch area, and then proceed to eat them.

I do it myself, but it just looks creepy when other people have a crotch feast.

Crotch Feast by Blaze200038 March 6, 2011