Twelvie

They typically play games in the back of the classroom and steal peoples stuff.
They put on Aussie accents and always say mate like and adult would. They always claim that others are twelvies when really they are. They are unfit and inactive. They also claim things that do not belong to them and think they are top notch and usually people are defensive when the other is winning an arguement. Typically call others twelvies.

“Mate, look at this motorbike game”
“You’re such a twelvie”

Twelvie

They typically play games in the back of the classroom and steal peoples stuff.
They put on Aussie accents and always say mate like and adult would. They always claim that others are twelvies when really they are. They are unfit and inactive. They also claim things that do not belong to them and think they are top notch and usually people are defensive when the other is winning an arguement. Typically call others twelvies.

“He stole my water bottle, whatta twelvie”
“You are so autistic”