grasses (on)

present tense third-person singular of grass (on), British slang
as in splits (on)
to give information (as to the authorities) about another's improper or unlawful activities that bloke would grass on his own mater to save himself

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Cite this Entry

“Grasses (on).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/grasses%20%28on%29. Accessed 17 Apr. 2024.

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