WordWeb Online

1. A person who is deemed to be despicable or contemptible
   "only a slimebag would do that";
   - rotter, dirty dog, rat, skunk, stinker, stinkpot, bum [N. Amer], crumb, lowlife, scumbag, so-and-so, git [Brit], scuzz [N. Amer], ratbag [Brit], scuzzball [N. Amer], sleazebag, scuzzbucket [N. Amer], toad, dirtbag [US], scuzzbag [N. Amer], slimeball, sleazeball

Derived forms: slimebags

Type of: disagreeable person, unpleasant person