Having several sexually transmitted diseases at the same time.
Lana has a blue waffle, a purple sock, the clap, the drip, and crabs at the same time. So Lana has a Rainbow Muffler.
Gay Anal Sex; Homosexual Buttfuck; When two men do each other!
Robert: Hey Baby, I want to give you a Rainbow Muffler!
Enzo: NO WAY FAG!
Roosevelt: I'll take it baby