motorboat 

v. int. The act of pushing one's face in between two ample breasts, and rocking one's head side to side very rapidly while making a vigorous, lip-vibrating "brrr" sound.

n. The sound produced when doing a motorboat.

Wouldn't you love to see Meatloaf motorboat Barbara Bush?

motorboat by Bill ewall March 26, 2004

broken motorboat 

The act of inhaling smoke and proceeding to motorboat breasts while exhaling.

He motor boated her last night with smoke like a broken motorboat

broken motorboat by Dr. Krieger June 5, 2013

Motorboatable 

A person, generally female, who you would love perfrom motorboat on. She possesses cleavage that is astounding, and absolutely breathtaking to the human eye.

Damn, Kelli brought her boobs out for work today. She's looking quite motorboatable.

Motorboatable by Taquan April 27, 2008

The Motorboat 

Vibrating ones lips over a females, hopefully large, chest.

The Motorboat cannot be explained, only enjoyed.

The Motorboat by Nick Beno July 12, 2006

Motherboard 

Mo•ther•boa•rd ; A giant green square with a bunch a processers, RAM plus gizmos to power your computer.

When I got a BSoD, (Blue Screen of Death) my motherboard was fried

Motherboard by Swarts Dè Bangâr March 25, 2017

Mexican Motorboat 

When one sexual partner adds salt to their respective partner's nipples, places a shot of quality tequila between the nipples, and puts a wedge of lime in their partners mouth. The 1st sexual partner then proceeds to lick the salt off of each nipple, take the shot of tequila, and suck the lime without using any hands.

Ted: Jill, you know I love you and I've always cared about you.
Jill: You know I feel the same way about you. *She blushes and covers her face*

Ted: *Ted exhales as he musters up the courage* Babe I can’t imagine doing this with anyone but you. I want you to be my first.
Jill: Your first what?
Ted: Mexican motorboat. *As he pours a shot of Jose Cuervo*

Mexican Motorboat by Big Dick Swag January 14, 2015

motorboated 

a face shaken in boobs, as evidenced in wedding crashers, and in superpoke on facebook

The stripper motorboated Julie.

motorboated by Urban Dictionary November 13, 2007