I feel like this would result in hilarious conversations

It would literally people screaming at other people to speak their language

It's called Funsbustance... no? just me? ;)

And they should make the keyboard intermittently unreliable, or occasionally just jumble up your words and generally create mischief

Here's a couple ideas as what to call it:
Drinkr, Sloshr, Pissr, Drunkr... you get the idea.

And then record it (if you want to)

Yes

I don't think the language barrier would even matter.

Tinder