grass up

British

verb

slang (tr, adverb) to inform on (someone), esp to the police

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And we fertilize in spring, when fall is the prime time to set your grass up for the best growth.

From Seattle Times • Oct. 18, 2023

Both of my cats had emergency trips to the vet this summer, including a $560 visit for one who got a long piece of grass up his nose and down his throat.

From Slate • Dec. 16, 2016

Our squad was leading as we hacked through elephant grass up to our waist and began the ascent up the mountain.

From The Wall Street Journal • May 27, 2016

I couldn’t grass up my friends, and I wasn’t going to give up the Americans either.

From The Guardian • Aug. 16, 2015

Here it is overgrown with bruja-haired trees and scraggy deep grass up to the shoulders.

From "Beast Rider" by Tony Johnston & María Elena Fontanot de Rhoads

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023