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
מאת RORYKNIGHT 21 באוגוסט, 2008
Can you define these popular missing words?
1, To finger ones ass while masturbating 2, To defecate in ones hand, and then use that hand to masturbate
Damn, i heard that Michael loves to get into the poo masties after listening to Elton John
מאת jigsaw666 8 באפריל, 2008