Your mothers ass! 

Often said during the mid-latter portion of the twentieth century as a replacement for terms like “Goddamnit” or “Jesus Christ!” In a more religious based society.

Oh Your mothers ass! He cut me off! Did you see that?

Your mothers ass! by Frederic shculenburg September 18, 2021

the best part of you dribbled down the crack of your mother's ass 

Indicates a person that completely and totally screws everything up all the time.

You dropped the brewskies on the way in to the partay? the best part of you dribbled down the crack of your mother's ass.

the best part of you dribbled down the crack of your mother's ass by no can clammupah April 30, 2006