noun; used in reference to girls who look like they would give a midget head for a biscuit while their english teachers wanks onto her lower back. for added emphasis say in a high pitched voice.
Person 1: Fuck look at that Jodi, what a slag!

Person 2: Grimble!
by Raaaas May 13, 2008
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Pornography, of any form.
Maaan, me Mrs found me grimble collection and i'm in deep shit
by Skalla July 8, 2006
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someone who wears purble jeans and is chubby.
originates from grimace.
mitch is grimbles because he werars purple jeans and is chubby
by charloski January 13, 2008
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n. The small clump of poop mixed with toilet paper that clings to an ass-hair. Very similar to a dingleberry
If you use inferior toilet paper and no water when wiping, you will end up with tethered grimbles...
by Labattomy March 2, 2012
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expression of a situation that is bad
usually used as its own sentence
Jon, "man my mom just died"
Tom, "Grimble Berries"
by Patrick Ward January 30, 2005
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Injecting illicit drugs (usually opiates) into the tip of the Penis. Generally for the purpose of enhancing sexual pleasure.

Popularized on The Daily Show by Senior Human Sexuality Correspondent Samantha Bee.
Rush Limbaugh had to have his penis amputated due to his overuse of the Carlsbad Grimble. His tallywacker had become necrotic.
by ChipSlap May 11, 2006
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