Boganess 

The amount of pure Australian culture an individual exhibits in their behaviour.

Strewth that fellas skulling a shoey, His boganess is true blue dinky dye!

Boganess by Dowers fat January 31, 2019

Boganese 

The language spoken by bogans.
Examples of words most commonly used include oi, dickhead, footy, crikey, bloody, sheila, VB, and barby.

"Speak english man, i dont speak boganese"

Boganese by coinroller July 21, 2007