The act of bending a women over and giving it to her from behind while spanking each side of her ass with both hands like a drum. More commonly used as a verb.
After dinner, I am going to rat-a-tat-tat-that-ass for dessert.
by Pete December 29, 2004
Penetration from behind while spanking her ass in a military nature - first with left hand, then right, and continue.
Deano is going to be rat-a-tat-tatting- that ass later on.
by JCH December 30, 2004