A person who encourages the act of a motor boat, especially in large social gatherings, as a way of breaking the ice and creating a lively atmosphere.
Hobbit: Hey guys check out Brandon over there motor boating all those chicks!!!
Johhny Long Taint: That guys loves to party - he is definitely a promotor boatist!
Johhny Long Taint: That guys loves to party - he is definitely a promotor boatist!
by community property June 22, 2010
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