poo masty 

The act of masturbation while excreting feces so that as the semen is emitted from the penis in an orgasm a poo is shot out of the anus at the same time, creating intense euphoria.

Ohh man I had the best poo masty 10 mins ago, there is semen on the floor

poo masty by RORYKNIGHT October 16, 2008

backwards poo masty 

Backwards poo masty is when you sit on the toilet backwards pooping and having a hand shandy

what did you do last night? Just went home and had a backwards poo masty

backwards poo masty by Neilbmx23 September 28, 2017

poo masta 

One who conquers the toilet via quick entry and quick exit, leaving a clean buttocks with little to no signs of use.

"Bro, I'm a poo masta. I just dropped the kids off at the pool--was in and out of there in 30 seconds, and I'm still fresh and clean!"

poo masta by poo_masta January 2, 2016