Word.ws English Dictionary

grass on

grass on verb: to betray by informing on.

Verb

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

  1. (UK, slang) To betray by informing on.
    • What I was pissed off about, though, was him telling everyone that he'd only grassed on me because I'd grassed on him first, which was a total lie.2008, Danny King, School for Scumbags

Forms of grass on

third-person singular presentgrasses on
present participlegrassing on
past participlegrassed on
pastgrassed on

Questions about grass on

What does grass on mean?
Grass on means to betray by informing on.
What part of speech is grass on?
Grass on is a verb.
What is the past tense of grass on?
The past tense of grass on is grassed on.

Words near grass on in the dictionary

  1. grass mud horse
  2. grass mud horses
  3. grass of Parnassus
  4. grass oil
  5. grass oils
  6. grass on
  7. grass parrot
  8. grass parrots
  9. grass pea
  10. grass peas
  11. grass pink

Source and license

Adapted from Wiktionary: grass on (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “grass on.” Word.ws, https://word.ws/grass_on. Based on Wiktionary, CC BY-SA 4.0.