Shortened from "HUA". Standing for "Heard, Understood, Acknowlegded".
Popular military phrase, especially in the Air Force, to voice approval of something or excitement.
That movie was very Hu-ah
Lt Jim: The F-22 is an awesome plane
Lt Mike: Hu-ah
Commander: We're going to bomb to terrorists back to the stoneage! Hu-ah?
What one says when he believes something to be very challenging or intense. Especially when pertaining to or with consumption of alcohol.
Mike: "Just got home with a fresh case of Passion Pop, you guys want some?"
Alex: "I'll have a bottle thanks, can you fetch the beer bong for me please Naki?"
All else present: "Hu-Ah!"