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The act of using a plushy, stuffed animal, or any similar object as tool for male masturbation. This is a reference to the famous comic strip Calvin & Hobbs which features a boy with a stuffed tiger and an overactive imagination.
I caught my little brother pulling a Naughty Calvin with his bunny doll. I've never felt more disturbed.
by Co-Dee-Vee September 15, 2010
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