Moonboating 

Placing of one's face firmly between another's ass cheeks, and then vigorously shaking ones head while bellowing into the abyss thus producing a "motoring" sound!

While getting freaky Marshall started moonboating Abigail's butt.

Moonboating by The Crackens ass December 24, 2015

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

Ass Motorboating 

Verb. The act of violently shaking your face in between the cheeks of an amazing ass.

While I was coming out of that pool, I couldn't help but ass motorboating that big ass booty!

Ass Motorboating by Fat Ghandi January 2, 2012

Motorboating 

The placement of one's face, specifically the mouth, into the area between a well-endowed woman's breasts, followed by a rapid shaking of the face in a side-to-side motion accompanied by yelling. The resulting sound that is created sounds similar to an outboard boat motor.

Sherry was wearing a low-cut top and Mike approached her and started motorboating in her cleavage.

Motorboating by BMan01 November 27, 2005

moonbathing 

to bask under the moonlight; the opposite of sunbathing

I went moonbathing the other night even though the sky was slightly cloudy.

moonbathing by cisi September 5, 2006

anal motorboating 

Placing your mouth in between the butt cheeks and viciously and aggressively shaking your head back and forth while making the sounds of an out board motor (comparable to motorboating tits).

He made loud vibrating noises while anal motorboating me.

anal motorboating by JGutt February 27, 2015

birthday motorboating 

A practice of shaking your mouth back and forth over the lucky birthday girl's (or boy's) breasts, an equivalent amount of times to their age.

Darn, it took forever to finish Barb' birthday motorboating because she is now 88 years old. My lips are numb.

birthday motorboating by ClavicleLover;) July 7, 2010