taken from the large, heavy duty ford produced motor vehicle differential of the same name this term is used to describe the largeness of a female's arse
'fuck, look at the nine inch on that!' or 'mate that's a fully braced big competition nine inch on that huge bitch' or simply 'niiiinnnee innnnncchh!!!'
by roron June 5, 2003

A homosexual dog.
by Hairy-larious September 4, 2017

by FriesAndTots August 9, 2023

by You can see god January 18, 2021

A play on the classic 69, both parties place their noses against the bootyhole of the other. Each person simultaneously farts and inhales the fart of their partner, until both parties climax.
Dude, my girlfriend and I decided to stinksty nine last night, and I threw up right in her butthole.
by Mrs. Dr. Bathroom June 14, 2019

by Funny number February 24, 2022

an event where kwood high school students meet up to get drunk or smoke and then play a nice game of 9 square
by donaldtrumpmtdad September 28, 2019
