because i'm rubbish at golf, i've reached the grass ceiling and so will never make it to assistant manager
by the fazzinator January 10, 2007

by Bomni February 10, 2005

A device used to smoke marijuana, usualluy fashioned out of a steam roller bong and a hose connecting it to a piece that covers your nose and mouth. A grass mask will completely fill your lungs through your nose as well as your mouth
by Old man withers September 3, 2005

by MarkGetsBitches March 15, 2022

UK-slang
If a person grasses on someone else, they tell the police or someone in authority about something bad that that person has done
If a person grasses on someone else, they tell the police or someone in authority about something bad that that person has done
by AlmightyMaster September 11, 2020

by sueski80 December 30, 2014

An ultimate life form that hunts down human in order to “cut them back”, because the humans cut too much grass so it is time for grass to cut back.
by GrassMan(aka:VhappyWagon69) April 15, 2020
