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Noun. A sight common among the morbidly obese. The point at which one is so obese that there is no thinning of the leg between the knee and the calf, which creates a sense of fusion between the two. Consequently "Knalf" comes from the fusion of KNee and cALF. Cousin of the cankle
"If you thought that porkers cankle was impressive, you should check out her knalf!"
by dan_the_01 July 10, 2008
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