SUPERGRASS


Meaning of SUPERGRASS in English

su ‧ per ‧ grass /ˈsuːpəɡrɑːs $ -pərɡræs/ BrE AmE noun [countable]

British English informal a criminal who gives the police information about many other criminals, in order to get a less severe punishment

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.