Wallah used in a sentence

Wallah in a sentence as a noun

I could issue a million shares, then sell you one for $750, and wallah, I'm valued at $750m.

I can understand leaving out the accent on voilà, but "wallah"?

I've plugged together a bunch of work other people did, and wallah, working server.

My parents are Middle Eastern Jews from Iran and Iraq and my understanding of their use of wallah is to mean "for real?

The chai wallahs exist in Pakistan as well and I can relate to many experiences shared in the article.

In this context the poster obviously meant to say voila and like you I've also seen this wallah variation of it creeping in recently.

So to instigate a war all you'd have to do is be part of a group like Anonymous, throw out some subtle misinformation that made it seem you were acting on behalf of a government entity, then wallah, war.