A way to express moderate to extreme happiness.
However, it can be mistaken for random noises if said in a guttural manner.
Also can be said after acheiving a great task.
EX 1: (after looking down a hot girl's shirt)
Guy: YEA YUH!
Guy: Fuck you! Yea yuh
Guy1: Hey, you know that hot exchange student?
Guy1: I beat it up.
Both: YEA YUH
GM2: YEA YUH
B0B: What kinda animal makes those stupid noises man?