anal crabs 

Crabs located in the anal area.

Paris Hilton is the epitome of anal crabs.

anal crabs by Riot/Kdizzie March 8, 2009

chu's got anal crabs 

you have crabs of the anal/rectal region (usally accompanied with telling the person 'chu's got anal crabs' in a high voice - noramally accompanied with a push)

ed agg/sam lonsdale's anal crabs

chu's got anal crabs by sam lonsdale March 31, 2003