"Roast ham" = spanked ass. Documented use of the term "roast my ham" to mean "spank my ass" dates to 1959, with the connotation of a violent spanking of the female ass.
by Loren Zabot March 21, 2007
Dude, we just ham roasted them! We won by 64!
Kid: Mom, I'm so hungry!
Mother: There's some ham roast in the refridgerator.
Guy #1: Bro, what should my nickname be?
Guy #2: I don't know! Mine is Ham Roast!
Kid: Mom, I'm so hungry!
Mother: There's some ham roast in the refridgerator.
Guy #1: Bro, what should my nickname be?
Guy #2: I don't know! Mine is Ham Roast!
by MrCJohnson3 March 18, 2010