As a pronoun yuh
is (chiefly|jamaica) you.
As a noun duh is
fury, rage, wrath, temper, ire, anger.
* ya also nonstandard
(chiefly, Jamaica) you
Disdainful indication that something is obvious.
Indication of mock stupidity.
- It's hot in the desert. - Well, duh!
- Duhhh , I'm Jasmine, I can't even tie my shoe laces right!
* no duh (Australian'', ''American )
* no shit
* you don't say
* no kidding