grass up

EnglishEdit

EtymologyEdit

From grass (informer)[1] + up.

PronunciationEdit

  • (file)

VerbEdit

grass up (third-person singular simple present grasses up, present participle grassing up, simple past and past participle grassed up)

  1. (Britain, slang) To betray by informing on.
    • 1999, Angela Devlin, Bob Turney, Going Straight: After Crime and Punishment →ISBN:
      My sister grassed me up to the caretaker! She thought she was doing me a favour — by grassing me up she was sure he'd let me off.

SynonymsEdit

Related termsEdit

ReferencesEdit

  1. ^ The New Partridge Dictionary of Slang →ISBN