motobutt 

The perfect ass a woman develops from riding motocross.

Guy at motox: dude all the girls here have great figures.
Friend: yeah dude, thats motobutt

motobutt by Geta308 June 11, 2022

motorbutt

To Motorboat the butt-cheeks, not the breasts.

That girl has such a fat ass, I just want to Motorbutt her!

motorbutt by Zach and Claire February 24, 2008

Motorbutting

When you draw nipples on her asscheeks and motorboat her ass.

"I'm so motorbutting you tonight."
"What the fuck is that? Is it another one of those weird Urban Dictionary sex things?"

Motorbutting by zephwynder June 13, 2018

motorbutting

The act of perform a motorboat, but on someone's anus.

We were about to start some rusty trombone, but it wasn't hard, so I turned to doing some motorbutting.

motorbutting by scumbeater November 15, 2013

Motorbutt

See ass motorboating

Yo, Jimmy, have you tried that motorbutt move yet? It's ass fun as motoboating.

Motorbutt by rupicaprarupicapra January 3, 2018

MooButt

Having a fart come out of your ass that sounds exactly or similar to a Cow's Moo.

"DAMN, my butt just mooed....I have MOOBUTT!"

MooButt by Anal-Fissure July 18, 2009

motorbutt

Kids with motors in their butts that have endless energy and never stop moving, running their parents ragged.

Where is Gleb? He is motorbutting around the flat. The kid never stops!

motorbutt by papa_john March 6, 2011