(verb) 1. the act of motorboating another's breasts while masturbating. 2. masturbating to the thought of motorboating another's breasts.
by Hairy Peter October 11, 2012
the act of vigorously shaking one's head between a pair of large breasts while simultaneously performing sexual acts on one's own genitalia
by Paully Dizzle December 14, 2010
by The Utco 4 May 11, 2011
Somone who gets off without intercourse through the act of motorboating. This could be either person involved.
Dave's parents discovered he was a motorbator when they walked in on him and the stripper with implants just as they hit maximum RPM.
by DirtyOldWordsmith November 2, 2022
I motorbated with Sydney last night!
by GassySellsDankWeed March 31, 2015