The point is they are basically baby talk goo goo ga ga noises, just with a tiny bit more actual syntactic rules they follow then actual, total gibberish.

Its Simlish, from the Sims, basically.

Hagwaforth balneebalibtoo!

Neek gwok hamiiduushka, ah pareebnuu ka mals toe.

It doesn’t mean anything.

Its just George Lucas being a goober.