Pissty-Nine

The same thing as a sixty-nine (69), but with both parties pissing.
Person 1: Dude, I heard that Brock and Misty were pissty-nining over the weekend.

Person 2: Why do people pissty-nine? Its nasty.

Person 1: Don't knock it till you try it, bro.
by Mr.Monopoly? January 01, 2012
mugGet the Pissty-Ninemug.