a bag of weed that is ground up (optional, though best for effect), collected in a corner, and then tied off; in some states dime bags are commonly distributed in this style. this corner looks like the Grinch's head.
1: got smokes?
2: yea, i got a grinch.
1: what. . .
2: you don't get it?
1: no.
by Cheddar Flyer July 10, 2008
Any person who does evil stuff or isn't nice to other people.
"I'm not the grinch. I only cheated on you."
by Diego August 21, 2003

1) To steal needless shit

2) To be known to steal needless shit often
" She just grinched like 5 lighters from the gas station"

" I hate bringin her over she's such a grinch always cuffin beers from the fridge"
by MrNiceGuy1987 August 09, 2009
bloody hell, everyone hide, its the grinches coming up the path again
by Childofbodom January 06, 2007
a dirty fuckin 7' tall kid.
i"don't call him grinch, his name is Kevin"/i
by annonymous May 04, 2004
Someone that destroys or attempts to destroy other peoples fun for the sole reason that they are not having fun!

Usually results in the people around the act of grinch having more fun because the act was rather amusing!
George you Grinch!

Kerr: Argh, Im not having fun soo neither can anyone else here!
The congregation: Stop Grinching!
by Jeffery Clarke August 15, 2010
for something to be ugly / disgusting / putrid. From when the phrase "you look like the grinch" was said to an ugly person
"I would tap that... no man, she's grinch"
"what the fuck is up with this place, its proper grinch"
"This coffee is grinch, lets go to starbucks"
by JameZ! February 01, 2010

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