A behavior involving

a. 1 male and 1 female
b. 1 male and 1 female

or
c. 1 male and 1 female.

This biological process occurs when a a person of the female sex is sitting on your lap and her boobs are pressed into your face. As you motorboat her boobs, your hands are thrust in a symmetrical fashion, extending from the center of your chest to the outside. This is similar to rowing a boat. As you are rowing the boat, the female is sitting on top of your lap, grinding on your privates.
Friend 1: damn bro did you hear about je'marcus
Friend 2: yeah I heard he broke his hands trying to row the fat chick from apartment 1-a
Friend 1:yeah he was rowing the motorboat
by tahck May 28, 2014
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To fall asleep so hard that you bury your face between two pillows. This often leads to some snoring and making the sound of a motorboat. This could also mean that you are so tired that the desire to sleep is just as large of a drive as your sex drive. You would rather do both motorboat and sleep, so you choose to motorboat some pillows.
Man I can't keep my eyes open! I am staring at the bed trying not to motorboat pillows.
by Vegasguy73 November 16, 2017
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When a peice of pasta falls down your face, into your cleavage and gets stuck down your top.
Nimoe: you'll never guess what happened to me last week in England.

Jess: what!?

Nimoe: I was in a posh restaurant and had a really embarrassing Italian motorboat.

Jess: Lol.
by Nimoe July 20, 2016
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When a man sits on a girl's face and farts on her boobs
by Dud9996 February 25, 2022
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a dude who wants to bang someone on a boat
This dude is a motorboater and wanted to bang on the boat the other night
by Misslinds May 17, 2023
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The act of motorboating breasts while having a runny nose, coating the breasts with snot.
Yo, he did a clogged Motorboat on me. Now i have to take a shower.
by Brrrr September 30, 2022
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A delicious alcoholic drink containing:
3 oz. Peach schnapps
3/4 oz. Coconut rum
4.5 oz. Sprite
4.5 oz. Orange juice
1/2 oz. Grenadine
Man, I could really use a fuzzy motorboat right now! It's so refreshing!
by mlee February 17, 2014
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