grass up
English
Etymology
From grass (“informer”).[1]
Verb
grass up
- (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.
- 1999, Angela Devlin, Bob Turney, Going Straight: After Crime and Punishment →ISBN:
Synonyms
- drop a dime, name names, snitch; See also Thesaurus:rat out
Related terms
- supergrass
References
- The New Partridge Dictionary of Slang →ISBN