dickass

noun

1. A contemptible person.“What kind of a dickass line is this: "Jeez, I, like, slopped coffee over my blouse"?”
2. An ass (donkey), a jackass, especially a male ass.“It [the Picktree brag] came also like a galloway, but more often like a coach horse, and went trotting along the “lonin, afore folks, settin up a great nicker and a whinney every now and then;" and it came frequently like a “dickass,” and it always stopped at the pond [...]”