When one eats out the asshole of another and then it appears they have been eating melted chocolate.
Angie: Dillon, have you been eating a copious amount of chocolate?
Dillon: No, Mom. I performed a mud sally with Derick at Littlefield Park.
Dillon: No, Mom. I performed a mud sally with Derick at Littlefield Park.
by Benjamin Schroeter January 17, 2008
Get the Mud Sallymug.