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A shortened, slang term for "Waheyat Allah," which means "I swear to God" in Arabic. Arab and non-Arab teens in America use this word commonly.
Bilal: Dude, I saw those two guys fight!

Albert: Are you serious?

Bilal: Wallah, bro.
by S. D. May 08, 2005
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4
Wallah (In Arabic: والله)
An Arabic word means "I swear to god", it's also used to ask somebody to swear to god.
A: I have a lot of money
B: Wallah?
A: Wallah (I swear to god) I do
by sb is eating my internet January 10, 2019
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Previously known as an Arabic word meaning “ I swear to Allah” but currently being used by all people as a term of saying “trust me this is the truth” mostly used to cover up lies
Officer wallah I have a license but I lost it”
by Wallahimagirl January 23, 2018
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The word ignorant people use when they really meant to say voilà.
Doug: So I simply changed the battery, turned it in, and wallah... it worked!
Bob: You mean voilà, right? The French word that means "look there"?
Doug: God dammit, am I dumb.
Bob: Yep, you sure are. I bet you also say "would of" when you really mean to say "would've", right?
Doug: Uh... maybe?
Bob: You know, English has a correct and incorrect way to spell things. It's not the 16th century when there was no formalization of the language and people simply made up spellings based on how they thought words sounded. There are standard spellings for words and it would behoove you to learn to spell like an adult. I mean, dude... you're 35.
Doug: lawl, fag... roffle
by Nick the big stick May 17, 2011
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7
n (India) usually in combination: person in charge of or employed at a particular thing; "a kitchen wallah"; "the book wallah"
Definition plagierized from WordNet
by Reuel Titus October 17, 2003
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