Onion

The girlfriend of a bikie or a member of a motorcycle gang. Note the similarity to the old English word "ronion", a term of contempt for a woman.
The word comes from Australian slang, but may have originated in the U.K.

The bikie came into the bar with his onion by his side.

by Steven Guy February 8, 2009

onion fart

A fart that smells particularly of onion. Usually experienced the day after eating a foodstuff containing onion, especially burgers or hot-dogs.

Man, that was one stinky onion fart

by Kosmos September 3, 2003

Onion Booty

A girl's butt that's so fine it makes a man want to cry.

**Originated in Racine, Wisconsin, 1998. It was first used to describe a group of girls who were bowling, and damn they had great asses.**

Now that's an onion booty, walks around making grown men cry.

by Hadou March 28, 2011

Onion booty

A booty so sweet that it makes a grown man cry.

Guy 1, "Yo Bruv, you seen that Chick over there?"
Guy 2, "Nah Gangsta - which one?"
Guy 1, "The one with that Onion booty man!"
Guy 2, "G! She's hotter than a spicy hot chili pepper"
Guy 1, "For real, her booty makes me wanna cry, through my eyes and my penis"

by Trevor Benjamin April 18, 2008

Onision

An adult male with a bizarre obsession and hyper attraction for underage teen and preteen girls.

1: Where's Larry, I haven't seen him in a while?
2: Didn't you hear? He went down for being an Onision
1: Fuck, dude, that's messed up!

by Cliched Motherhopper January 2, 2017

onime

a teacher who has no life. She is usally hated by most people (Cough Cough) Middle school kids (Cough Cough)

damn man, that Onime is killing me

by shiggy da Turtle March 1, 2018

onion butt

A booty that makes one's eyes water

Yo, that girl got an onion butt.

by Jakethesnake July 13, 2006