You slept with a man, who used to be a woman..
You slept with a woman, who used to be a man..
You slept with me to find out I have AIDS, and am really a Hermaphrodite
You slept with a man or woman... that gradually got colder and colder throughout the night, to find out they were dead during intercourse and foreplay
None of the above.. I like it anyway I can get it.