Best definition
A state of being, when shits gettin wild. During this state things tend to get dangerous, loud, and drunk.

Lets kick this shit up western!

Ohhh man soooo western out here with all those horny drunks

Western: define #2
Western. To have a bad day or a bad experience.

Originated from western supermare, to have a western
Oli. Just drop his phone and broke it.

Max. You are having a western mate!

Oli. Yer big western!
Western: define #3
Situational escalation to the point that one might consider using violence or gunfire like in the old west.
If that db doesn’t pay me back, shit could get western!

When she caught her husband cheating,it got a little western!