A snitch.
Grass
Example Sentences
"Don't be a grass!"
"He grassed on his mates."
Etymology & History
British lawn or police informer. 'Grassing on him!' means informing. British vegetation and betrayal terminology.
Word Details
📍
Region
General British
📅
Era
Modern
✓
Language
Mild
💬
Formality
Informal
Categories:
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Anglotopia's Dictionary of British English 2nd Edition
British Slang from A to Zed
By Jonathan Thomas
📚 Over 2,000+ British Slang Definitions!