How to say "I'm drunk" in Australian. Pissed. I'm drunk. Pissed. I'm drunk. Now you try. For example, you might say, Toby came home from the pub pissed as a fart. Or if you're playing a drinking game you might sing. Here's to Shazza she's true blue! She's a piss pot through and through. And that's how you say "I'm drunk" in Australian.