Itchy pubic area. Earlier verions had it as public.
Pthius pubis, a louse that looks kinda like a crab.
Person to person. Crabs have been known to jump 50 feet. Kidding.
If you have never enjoyed a Dungeness from the Pacific NW, you are missing a treat.
ICD9 Codes (Soon to be supplanted by ICD10)
Crabs, meaning pubic lice 132.2.