The piss equivalent of cumming, but instead of semen, it's just piss. For those that enjoy giving Golden Showers. Someone in the act of performing a poom.
Jane: "I hope you drank plenty of water today"
John: "Don't worry, I'm about to.. Oh no, I'm pooming!" *proceeds to give Jane the Golden Shower she'd been waiting for all day*
The act of sneaking into someone else's room, dropping a payload in their toilet, not flushing, and then leaving a note signed 'Pooping Tom' on the toilet seat. Usually occurs in college residence halls.
"Dude, someone left a big, steaming pile of feces in my toilet with a note that said 'Courtesy of the Pooping Tom'!"
The use of the word "blue" to refer to sexually explicit content was first recorded in Scotland in 1824. "Blue" meant "lewd" because prostitutes dressed in blue gowns.