sperm germ

A sexually transmitted disease that is carried, delivered, or spread by the male species. (Examples; HIV, herpes, syphilis, gonorrhea)

Suzy: My vagina is very itchy and it hurts.
Jane: Is it a yeast infection?
Suzy: I met Bob at last weeks rave. We had sex twice, but I think he gave me a SPERM GERM.
Jane: Oh no! You better see a doctor.