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The crusty dried up gunk at the top of a ketchup bottle.
As Mordecai squeezed the ketchup on to his hotdog he outbursted in a stream of explitives for the kelm had ruined the excellence of his hotdog.
by Whitney/Julia November 22, 2006
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'Today, the weather is kelm'
'Did you wanna bun a kelm (zoot)?'
'Thats kelm'
by Trapsnap_420 January 13, 2018
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