An alcoholic beverage created by late Pantera guitarist Dimebag Darrel. It is Whiskey with a splash of Coke. The drink is named after a line in the Megadeth song "Sweating Bullets."
Someday you will know my pain, and smile its blacktooth grin.

"Megadeth," "Sweating Bullets"
by Matt2.0 October 24, 2006
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The opposite of the White Man's Overbite.

The goofy smile on a nigger's face when he is dancing at a club with an overweight white bitch.
Onlooking negro #1 "Hey, check out Tyrone on the dance floor!"

Onlooking negro #2 "Playa's Nigger Grin is makin' all those white craka's go crazy!"

Onlooking negro #1 "Wanna go steal a TV?"
by BiggestMOC December 3, 2007
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A clueless, Manic-depressive moron who is always "in your face". This is one of those guys that you carefully try to avoid at social gatherings because they have no social grace. They will babble on about how great their life is one minute and how much it sucks to be them the next.
They want to take on the world, but then they don't have time for it. They get mad at you when you remind them of their commitments, as they've moved on to bigger things in their head.
The Big Grin cornered me last night and told me all about the big promotion he got at work, when I agreed that his life was good he told me about the long hours and how it sucks to be him.
When I remined him of the paperwork he had due, he got angry at me because he had since gotten bigger and better things to do.
by Stan West May 23, 2006
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Dead. Grinning at the lid of your coffin, as a result of the taxidermist's effort to make us look 'at peace'.
"What torturous eternity, left grinning at the lid".
by RaZoR_RaiN December 31, 2010
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Smiling all in a person's face, trying to gain their favor. Usually a person that is skinning and grinning is being fake or phony, flattering, or flirting. Trying to impress or befriend a person. Often they don't really like or respect the person and since they aren't being sincere, they are just skinning and grinning.
person 1: My boss always gives me so much more work to do than everybody else.
person 2: Really? Why do you think that is?
person 1: I don't know, probably because I'm not always skinning and grinning in his face like the other people there.
by xXSerendipityXx December 12, 2008
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to be constantly grining.usually from the affects of acid, LSD.
Man he's tripping so bad he got permagrin
by turbo October 8, 2003
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One who has metal in their mouth.
Commonly referred to as "braces"
"Dat bitch is a tin grin!
lolz"
by BUBBASPARKZZZ October 21, 2007
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