Another classic, mostly used in Bayern

Accurate

Tja
Hey or a very unsure “well”, “yes” or “no” in Sweden

whenever you hears someone says it, you have to guess what is happening.
Sometimes, it's about breads but sometimes, it's about the green man.

It's not mostly used in Bavaria, it's a word common everywhere and especially in Berlin. Fuck Bavaria.

One of the most german words is "eigentlich" which can either mean "actually, technically, properly" - that's what you'll find in the dictionary - but very often it means "in theory" and you'll hear it like in "this is how it's 'eigentlich' supposed to be (done), but here's how it really works". To make it more confusing, you could translate the "really" in that sentence with "eigentlich" as well.