Well, since no one else jumped on it now that it's obvious....
Edit: an even more devious clue, with hairpin twists of logic so fraught you'll piss yourself before you get it!
Bad, wild as a bug, in Aussie code (3)

Spoiler
integer: in = fashionable, teger = "greet" mixed up. I am currently sustaining head-trauma as I kick myself in the brain for not connecting the dots sooner.

[close]
Edit: an even more devious clue, with hairpin twists of logic so fraught you'll piss yourself before you get it!

Bad, wild as a bug, in Aussie code (3)