For the umpteen billionth time, the word is not "wahlah." It's "voila," and it's French--not that that's anything special. And you idiots who consistently misconstrue it should learn to say "shazam." Not only will you likely spell it correctly, but you'll sound like Gomer Pyle, which should be a bonus to most of you.
Ron White was right...you can't fix stupid.
Serve and correct!