(1) He is really a bad hat.
(2) I never thought that he was such a bad hat.
(3) Everyone knows that he is really a bad hat .
(4) Don't lend him any money; he's a bad hat and will never repay you.
(5) I think this new student is a Bad hat .
(6) He was formerly a known player, but turned out a very bad hat indeed.
(7) We'd thought he was a gentleman, but he turned out to be a very bad hat indeed.