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1.
A sock that you use to ejaculate into leaving no mess, yet a ruined sock. Great when your Kleenex's are gone, or when on a campout.
Mike used a Masturbation Sock when he was camping in the Andes

Noah is too damn lazy to get the "clean up crew" out so he uses a Masturbation Sock
by Duhfee March 10, 2012