bad lot

bad lot (plural bad lots)

1. A bad person.
   • 1875 October 16, Charles Dickens, “The Red House”, in All the Year Round:

     But he's a bad lot, is the master — a thorough bad lot, take my word for it, and I'm one as knows him well — too well, by a deal.

• John Camden Hotten (1873) The Slang Dictionary