Top Definition
The act of vomiting onto a woman's or a rather gynecomastic gentleman's chest whilst imitating the sound of a motorboat by blowing air through closed lips.
Icculus, after a rather sumptuous feast, gave Septiva a hearty roman motorboat betwixt her lovely cassava melons.
by *samIam* January 03, 2008
5 Words related to Roman Motorboat

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