To utilze the leg as method of sexual stimulation by inserting the limb calf deep into either the anus or vagina of a willing or unwilling recipient.
Steve was caught calfing Jenny in the bathroom at Denny's last weekend! Shit was up to his knee!
by TeamMP February 11, 2011

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Top Definition
genetically modifying animals at a young age
why is calfing a thing?it is horrific!
by GIjones July 03, 2016

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