Top definition
when a woman motorboats a fat man's titties while jacking him off
shayna motorbated sam on her lunch break.

she motorboated his moobs while jacking off his cock.
by bubbalous116 July 22, 2010
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2
The act of masturbating while in a car.
Sandy motorbates to stay awake when she needs to drive along on long trips.
by Kate Charlton August 07, 2008
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3
i'd motorbate that
those tits look great, but theyd look better with me motorbating them
im going to motorbate the fuck out of you later
by JonStonehill March 05, 2011
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4
Biff needs to motorbate to get the job done.
by voodoobaby11 January 02, 2012
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5
When a woman or man with extremely large breasts, nuzzles their face in between their breasts and shakes vigorously while making motorboat noises.
My boy Jerry has some big as titties.
I think he stays home and motorbates all night.
by brasco July 16, 2008
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6
To masturbate while fantasizing about motorboating someone with large breasts.
After getting shot down by the girl at the bar with huge titties, Dan went home to motorbate and dream of the day he would tear a whole in them with his stubble.
by sb2013 September 06, 2009
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7
To motorboat oneself
Big-Boobed Beryl: "Whoa, I can totally motorbate with these puppies!"

Tiny-Titted Tracy: "What's that you're doing Beryl?"

Big-Boobed Beryl: "You're too small to learn motorbation"

--

See motorboat motorbate motorbation motorbated orabation
by louleykrista August 03, 2011
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