The-Bill is a sexual position in which one person inserts a fist into the anus and inserts the other fist into the mouth and lifts the other person over their head shouting "THE-BILL!"
"How was your colonoscopy?"
"I don't know, it was The Bill Cosby Experience... I was awake. Then I wasn't. I woke up. Something was in my ass. But I don't know for certain."