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Those reddish indents you get on your skin from various surfaces after you've leaned on it for too long. Often obtained while napping. Singular is kruff, but a single kruff is not as notable and seemingly less common.
You've got kruffs on your cheek from falling asleep on your bookbag.
by Cavernio May 18, 2010
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a person who is delinquent and without ambition. lazy and not driven.
by B3th October 24, 2018
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