Something you say to someone quickly causing them to say "what?" and then you go "haha you said what so you're a sphincter!"
by One Eyed Milkman July 10, 2004
Something people say to entice the other party in to saying "what." Thus, making them an ass sphincter
person #1: "Ass sphincter says what?"
Person #2: "what?!"
Person #1: "Ha ha, you are an ass
sphincter!!"
Person #2: "what?!"
Person #1: "Ha ha, you are an ass
sphincter!!"
by diceyj February 05, 2004