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(Verb) Masterbating while eating snacks. May result in obesity and cheeto penis. Excessive snacksterbation can lead to addiction.

Other forms of snacksterbate: snacksterbation, snacksterbating, snacksterbater (noun).
Billy's mom walked in while he was snacksterbating to an AH Bra infommercial and a bag of hot fries.
by JackSweet May 20, 2011