1) A super-sarcastic reply to a MONUMENTALLY sad joke!
Usually expressed with great enthusiasm and joy...more like a cheer!
Source: Derived from the "Taj Mahal (A famous monument in India) Tea" commercial.
Wah Taj serves as the Tag line for the brand.
Translation: Wow! Taj!
Rak: "What is it brother?, I'm ubercurious"
Rak : "WAH TAJ!"