ass like a toilet 

The Process of getting/obtaining ass (Sexual relations)

You know what? Tom sure does get more ass then a Toilet.

ass like a toilet by Pic0o April 7, 2004

ass like a $20 mule 

A rancher in the old west wanted to only purchase a mule that had a large muscular hind quarter. Twenty dollars was a lot of money so a rancher would only pay that much for a mule that was well built. Used to describe a woman with a nice round ass made for "working".

Wow that girl has an ass like a $20 mule!

ass like a $20 mule by 4cd-air September 16, 2013

ass like three bitches 

A lady with a ass big enough to fill up three seats

Damn dawg your girl has a ass like three bitches

ass like three bitches by R . Carvet August 20, 2018

ass like a housecat 

a woman with a small backside....so small in fact that at first glance it may seem almost housecattish upon first inspection

Rob:"man that girl has a tiny behind!!"
Brad:"hell yea that bitch has an ass like a housecat!!"

ass like a housecat by bighonkey April 3, 2008

Ass Like a 10 Year Old Boy 

A very aesthetically pleasing female arse, reserved only for use by males when regarding females.

"She is fiiiiine, big ol' round titties and an ass like a 10 year old boy."

Ass Like a 10 Year Old Boy by Fooliotic September 25, 2005

ass like 9/11 

When an ass is so beautiful, you never forget what it looked like. The 9/11 slogan was “Never Forget”. So to have an Ass like 9/11 is to have an ass that you won’t forget, just like people will never forget 9/11.

She’s got an “Ass like 9/11”. I’ll never forget.

ass like 9/11 by BigNickel1944 September 11, 2018

ass like a ten year old boy 

Describing a woman with slim hips and small, perky buttocks

That Olympic swimmer had an ass like a ten year old boy

ass like a ten year old boy by mattiej January 8, 2011