scumball

adj

1. (slang)Sleazy, disreputable, or despicable.

   “"This kid, your scumball client, also has a rap sheet six pages long. He shot a sixteen-year-old in the back last year and got sixty days on a piss-ass weapons violation because the victim wouldn't testify. […]”

   “"I can't help it if your uncle and his scumball friends keep crawling out from under every rock that gets turned over in this town."”

   “Another fifty grand for Shuttles; the scumball business was booming.”

noun

1. (slang)A sleazy, disreputable, or despicable person; a lowlife.

   “"Answer me. How would you feel if I was the one who might get knifed in the gullet by some scumball?"”

   “Recently widowed and still grieving over the loss of her husband, his mother had been an easy mark for a scumball like Jacob. Playing on her weakened emotional state, within two months Jacob had sweet-talked her into marrying him.”

   “[…] He thinks 'cause he's stronger he can beat up a woman, strip her of everything she's got, and walk away. And on top of it he doesn't pay his damn hotel bill. That's a man for you — a real scumball."”