slime ‧ ball /ˈslaɪmbɔːl $ -bɒːl/ BrE AmE noun [countable] informal
someone who is immoral, extremely unpleasant, and cannot be trusted – used to show disapproval
slime ‧ ball /ˈslaɪmbɔːl $ -bɒːl/ BrE AmE noun [countable] informal
someone who is immoral, extremely unpleasant, and cannot be trusted – used to show disapproval
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012