(V.) -ed The act of masturbation on or over somebody else's food ,evenly coating the object in one's own semen and/or vaginal fluid.
John was masturbasting his, soon to be ex-girlfriend's turkey, cause the bitch had it coming.
by Martin the Spartan March 19, 2010
The act of masturbating, cumming all over yourself and then promptly passing out whilst your spunk dries on your body.
John should really lay off the Ambien, he had another Masturbasting session last night.
by Mario140 August 23, 2009