whore mites
Scabies, body lice, crabs, Any sort of microscopic body parasite obtained by bumping uglies with an infected or "dirty" person
Bob met a fine piece of ass at a bar one night, he goes home with her and her "self care" is less than desirable but he decides a dirty lay is better than no lay so he goes for it. Two weeks later he can't figure out the itchy red bumps everywhere. After many Doctor appointments it is determined that he has Scabies, AKA Whore Mites