A light-hearted ditty about an STD, passing through a group of friends, with reference to chronic infedelity, promiscuity, bisexual encounters, incest, bestiality and public sexual encounters.

Lehrer did not publish it for over 30 years, since the content was so controversial, and only played it in nightclubs.

Isaac Asimov, who heard it in the 50's, suggested it was the filthiest song imaginable, which never said a single lewd word.