What is Mwaa?
1.
The sound made by a dying giraffe. Originates from the South Park: Bigger, Longer, and Uncut
Dying giraffe: "mwaa"
See
2.
Mall Walker's Association of America.
I just joined the MWAA and all I got was this cheap shirt.
See
3.
Chief Wiggum's catch phrase on the Simpsons.
Look, I even have my own catch phrase...MWAA!
See