To run someone over with a motorboat.
I want to motorboat my step mother Karen because she took away my Xbox.
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While performing oral sex on a girl, flap your lips together on her clit, thus imitating the sound of a motorboat. She'll love you forever.
I wish i had a real motorboat instead of her.
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When you go up to a girl and stick your head in there tits and go burrrrrr, than move your head side to side
Kid: hey mom can I motorboat you
Mom:go talk to your sister
Bro1: yo last night I went to my girlfriend's house and she let me motorboat her
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A girl who has their funbags exposed to the world, so one may be able to "motorboat" her chesticles.
Did you see how open her shirt was? She's motorboatable!
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Placing face in boobs or fat roll and shake ur face
Hey Marshall let me motorboat ur fat roll
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A seacraft that operations using an engine. They're either inboars or outboard installed on the rear that spins are propeller that goes WHHEEEE.
The girls looked at me weirdly when I asked them to join my motorboat group.
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1. n. Motorboating of the butt cheeks.
2. v. To motorboat the butt cheeks.
Last night, I got a stinky motorboat. It was better than I thought it'd be.