Homosexual term that refers to a man's anus as his man poon. More commonly known in hetrosexual terms as a poonani which refers to a female's genitalia.
Statement giving advance notification that a sexual act is about to occur, "I'm about to hit that man poon."
Complimenting a sexual partner immediately proceeding sexual intercourse, "...that was some hot man poon."
It is when a man has the squirts or loose stools and needs to use some roll toilet paper like a tampoon to catch or absorb shit. It avoids a man to have shit streaks on his underwear.
Man I need to go to the bathroom to get a manpoon or my girlfriendwillthink that I shit myself.