Can be used in many ways.

Originally a short way of saying "Australia", you're meant to use it as an adjective to describe Australian related things.
Can also be used to describe something that is upside-down.

Someone that feels like an "Aus" would be someone wearing a blue shirt, with the Australian flag on them.
They would tend to have brown hair and glasses as well. And despise upside down jokes.
Doctor: You've been diagnosed as an Aus..
Aus: What is that? is it bad?
Doctor: Yes it's pretty bad, however you get a free blue shirt with a flag on your way out.
by Dr.DDer November 23, 2021
Get the Aus mug.
Friend: “Omg I finally stood up to my bully

You: AUS!!!
by Keksidjwowkeowpqosododkff February 7, 2021
Get the AUS mug.
They come second.
But seconed is 1st place for losers.
Australia!
1974 out, 1975 well they needed to copy em. Aus!
by God on earth. September 27, 2023
Get the Aus! mug.
Best hockey team north of the Mexico border. This team has the best and most handsome players in the world.

Instagram: @lesvolsauventofficiel
Youtube: Vols au Vent officiel
Wow! That kid got 100%! He's a real Vols au Vent!
by ALEXVAV November 10, 2017
Get the Vols au Vent mug.
AU spam is when someone from a certain fandom spams a AU. This could be Art, writing or even just talking about it to get attention example;

Person 1; Hey guys ima go get some food BRB!
Person 2; Hey guys I need some ideas for my au it’s about insert AU here

Person 2 is a AU spammer. If You do this stop. It’s really annoying
Hey why does Eddie AU spam so much?

I don’t know he just wants attention
by Camping.Sys June 7, 2022
Get the AU Spam mug.
A type of alternate universe where the characters sustain none of the original trauma in their storyline, but therefore undergo other traumas that are a result of the change in their stories.

For example, if Snow White hadn't bitten the apple, her story would change drastically and she'd experience different traumas.
"I just came up with a new Band-Aid AU for the events of the Five Nights At Freddy's movie!"
by Tempermental moth September 22, 2023
Get the Band-Aid AU mug.
A type of hair style in which the front of the hair is spiked and pointed only to the left, while the rest of the hair is flat.
Yo dude, that kid is rockin' The Aus!
by Austin Kirkland October 16, 2007
Get the The Aus mug.