Moterboat 

Verb. To shake ones face back and forth while placed in between the breasts of another.

All the man wanted to do during that party was moterboat the cougar's double d's.

Moterboat by Butterboater June 10, 2009

stinky motorboat 

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.

stinky motorboat by picc285 May 30, 2019

Chocolate Motorboat

A cousin of both the motorboat and the cleveland steamer, this difficult maneuver can only be done by a true fecaphile. After releasing one's bowels onto a woman's chest the classic motorboat is performed to the delight of all involved.

After a violent shart onto Gertrudes chest Hector quickly spins around and they relish in a lovely chocolate motorboat.

Chocolate Motorboat by *samIam* January 12, 2008

Motorboat farts 

Motorboat farts are long lasting, drawn-out flatulence sounding like a distant boat engine.

Speaking of motorboat farts, Juan sounded like he had an outboard up his ass after the burrito.

Motorboat farts by I, Wreckerrr October 9, 2016

Puerto Rican motorboat 

(N) Variation of traditional motorboat (loose-lipped shaking of one's face between breasts while making motorboat sound), whereby one motorboats a woman's ass(preferably a Puerto Rican stripper's ass).

I woke up this morning and totally remembered Puerto Rican motorboating 2 strippers at Frenchy's last night.

Puerto Rican motorboat by Odiggz August 30, 2013

motorboating 

It means the activity of putting one's face between a woman's breasts, and rocking turning one's head rapidly from side to side while making a noise like a motorboat.
"Put your head between her tits and go bbl bbl bbl bbl bbl..."

"I heard Jimmy was motorboating Bella at school
she said it tickled"

motorboating by corgilover18 November 13, 2018

Motorbate 

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.

Motorbate by bubbalous116 July 23, 2010