what you've just described is a used condom.

"You find it wherever you look, the body as a prison and there's the rabbinical student dying of love for a woman engaged to somebody else so his spirit inhabits her body, slipts in when she's asleep and her body's unoccupied and the rabbi comes in to exorcise this dybbuk, who may be having a grand time in there."

-William Gaddis, Agapé Agape, Page 28