It's slang for drinking a ton over the course of several days. He's a robot powered by alcohol and so he's always drinking, that's the joke.

Meanwhile, Tristaniopsis is a synonym for Santorum, and I've never been able to credit anyone who goes by that moniker with any amount of respect.

Do you know how derogatory words work? You're perpetuating the thing you disrespect with your own comment.

I 'ardly even know 'er!