The act of motorboat-ing an attractive woman's ass instead of her breasts.
"Man she's got a great ass. I'd love give her the Dirty Bayou Motorboat"

"This guy motorboated my ass last night like it was my tits and then he said something about a bayou..."
by imotorboatdownsouth March 25, 2009
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When two men place their hairy scrotum's on each side of a woman's puckered lips. Then she makes a motorboat noise
Julie liked the gorilla motorboat sandwich from Therrell and Josh.
by Ben D0ver October 16, 2010
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The act of placing dollar bills between a strippers breasts.
"I felt obligated to tip the stripper, so I gave her a Dead President Motorboat."
by Wilby Daniels May 16, 2013
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A motor boat, is a boat that driven by a motor. Can be fx gasolin, diesel, electric or petro motor. People who are searching for a motor boat used or a new boat, often goes to the website www.scanboat.com where they find motor boats from all over Europe.
A wellknown Motorboat - motor boat could be fx. Bayliner, SeaRay, Princess, Maxum or Larsson boat. There are 1000´s of different boats with motor.
by scanboat December 4, 2011
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Motor boating someone's ass crack after a wet bowel movement...
Janie ate 4 plates at the china buffet then had Stevie murky water motorboat her!
by Chefbeezy July 25, 2015
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