The act of performing the 69 position with the woman on top, where she explodes with shit all over the man's face, with or without warning or consent.
Man: "I had a one night stand last night and I thought we were doing the 69 position, but she did the shitsty-nine position on me. I'm no longer psychologically able to be intimate with women."
by GentleOnJames January 26, 2017