ONION BUTT 

an ass so beautiful, it makes you cry.
(ass sliced onions do)
An ass that is so mesmerizing to look at that it gives you an instantaneous chubby.

Check out the onion butt on that slut!

ONION BUTT by weave April 2, 2003

onion butt 

So beautiful it makes a nigga wanna cry.

"wow, thats an onion ass, im tearin up baby"

onion butt by nitey March 29, 2005

onion butt 

Someone who has an ass so fine it makes you want to cry.

"I like girls with big tits and an onion butt!"

onion butt by angeleyes228 January 8, 2012

onion butt 

A booty that makes one's eyes water

Yo, that girl got an onion butt.

onion butt by Jakethesnake July 13, 2006

Onion Butt 

A butt that brings tears to your eyes.

I like a girl with fake tits and an onion butt!

Onion Butt by mg04mho August 5, 2011

Onion Butt 

The foul smell you that leaks out of your ass from eating foods like Onions and Garlic.

Guy 1: (sniff sniff) Dude what's that smell?

Guy 2: Oh sorry bro my mom made garlic bread two days ago and this Onion Butt won't leave.

Onion Butt by James Hauge February 26, 2009

Onion Butt 

A Butt so wrinkly that looks like layers of onions.Marco from AIS has this condition.

Mickael Ghorayeb:Look at marco's sexy onion butt.

Onion Butt by What in the Kikeli is going on June 16, 2019