grass up
(UK, slang) To betray by informing on.
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#1·Apr 27, 2026
(UK, slang) To betray by informing on.
Origin: From grass + up. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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Other words near "grass up" (G)
grasshoppergrass ongrass parrotgrass plotgrassroots leadergrass treegratG-ratedgraticuleGratingratzGrauniad
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