Top Definition
To pleasure oneself until pain sets in
Kelly smashterbated herself to the thought of other girls smashterbating.
by Requiett January 03, 2005
1 more definition
Masterbating while extremely intoxicated
Smashterbate - I don't remember smashterbating last night becuase I blacked out, but I'm sure I enjoyed myself
by RP DP April 04, 2011

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