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Someone who resembles the shape and personality of a thumb. A Knerb is also a troglodyte like being who has a very simple and round, thumb like façade. Tend to be quiet and hermit-like.
Look at Bill, he hasn't gone outside for days and he looks like a damn Knerb!

Fargin doesn't have any friends and has turned into a Knerb!

Come out with us Clyde, quit being a Knerb.
by Slavic Slush July 04, 2016
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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