scabby

adj

1. Affected with scabs; full of scabs.

   “Her wrizled skin, as rough as maple rind, So scabby was, that would have loath'd all womankind.”

2. Diseased with the scab (mange): mangy.
3. Having a blotched, uneven appearance.
4. Injured by the attachment of barnacles to the carapace of a shell.
5. Working against union policies, working to bust unions; in particular, being a scab (worker who crosses a union picket line).

   “The police, the governor, and the "scabby" Hearst Examiner "received a tremendous razzing," according to the Waterfront Worker, while all along the line of march "the workers on the sidelines cheered[…]"”

   “[They're a] scabby right-to-work company and they don't care how much the sharp edges on that dust screw up a guy's lungs.”

   “Hoochie's dad said, “All eight drivers are former 'scabby' employees who couldn't get hired by any reputable union trucking companies.””

6. (Ireland, UK, slang)stingy; scrounging.

   “The chipper was a bit scabby on the vinegar today.”

   “I lent you a fiver last week and you still haven’t paid me back, you scabby bastard!”

   “You never bring you’re own pen but always ask to borrow mine, you scabby git!”