whoopie cakes

whoopie cake

1. A baked confectionary sandwich consisting of icing or some other sweet, creamy filling between two round pieces of cake, typically chocolate. More commonly called a "whoopie pie." My mom used to make whoopie cakes for us as a special treat at the end of the school year. Oh wow, whoopie cakes! I didn't know you could find these outside of Pennsylvania!
2. slang One's buttocks. (Used in the plural.) Thomas! Get your whoopie cakes in here right now and clean up this mess! I don't know what she's thinking wearing that outfit. Her whoopie cakes are practically hanging out of it!
See also: cake, whoopie
Farlex Dictionary of Idioms.

whoopie cakes

n. female buttocks. You put those whoopie cakes back down in that chair and listen to me!
See also: cake, whoopie
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • whoopie cake
  • frosting/icing on the cake, the
  • chip butty
  • with everything on it
  • If I knew you were coming, I'd have baked a cake
  • knuckle sandwich
  • submarine
  • submarine (sandwich)
  • hero (sandwich)
  • sub
References in periodicals archive
According to the taste makers, marshmallow is destined to be the next "big thing" - tipped to take top spot from the likes of cupcakes, macaroons and whoopie cakes.
Whoopie cakes are his favorite treat, and you only turn six once.