A wah is a person of Arabic origin who has decided to move to a predominately white populated area
Asian Man- H H H H H Helllo
White Man - Egh get back ya WAH!
A verbal sulk. It's when the inner child cannot be repressed any longer
"Wah! I'm Anna and I want a Mr Frosty! I never had one as a child"
(Something which we soon remedied this christmas"