to tell on/tell over/rat out some-one
Jane told Miss Stevens that Toby had smoked weed. By doing this she had GRASSED on him and can now be called a GRASS.
by xrachi-roox November 19, 2006
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to tell the police or an authority of another's wrong-doing; same as to "narc" on
I stole a magazine and my friend grassed on me. narc
by RedGwen January 14, 2014
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a snitch, some one who tells to police/orthorities on someones dodgey acts.
john is a grass

john grassed me up for stealing mikes phone
by simondodo August 15, 2006
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Short vegetation that grows over large areas, usually green. Grass may vary in lenth, texture, width, and color. Most areas in front of a home are covered with grass.
You can try to smoke that grass, but I bet it won't do anything.
by BlastMaster May 18, 2003
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got any grass???
by dillza September 5, 2003
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Suspension from work without pay.
Chris and I got 2 weeks in the grass, due to a bull shit lie told by Lonnie.
by magnum noble February 12, 2015
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somebody who informs on somebody else, especially to the police or
breaks a friends trust and tells their secrets
The teacher's pet was a grass and told Mrs Smith on me
by esthermay July 2, 2005
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