A polite way of saying "asshole."
Usually seen being used by immature adults, and children under the impression they're mature. Term originated from South Philadelphia in 2009.
Dave: Drew is SUCH an ASH-BOWL.
Ron: Hey, he is not. Leave him alone!
Someone who leaves a bad taste in you throat, similar to hitting an ashed bowl.
I saw Jimmy take more than his share from the brownie plate, he's such an ash bowl.
The Ash left in the bowl after a fat rotation
Ash in a bowl is like shit in a toilet