1. An illness which involves pubic lice, a.k.a. crabs, which have herpes. Most likely found on those who choose not to shower.
2. What you tell someone your ex has.
Dwayne: Man, yo so dirtay, your crabs got the herps.
Shawn: you got the "Crab-Herps" from the girl down the hall, too?
One of the most pernicious venereal diseases ever. What appears to be a simple herpes blister swells up to 4 times normal size, and erupts; releasing thousands of tiny crabs. the crabs disperse, fornicate, and lay eggs which mature into herpes-crabs blisters...
Girl, don't sleep with him or you'll get a wicked case of Herpes-crabs. Herpes crabs