wallah /ˈwɑːlə/noun 3/ˈwɑːlɑː/ adverb 1forms 1 noun3 •(India) A servant or other person responsible for something, often specified before it, for example kitchen wallah.Kindly take one of my cigarettes, sir. Do you not admire my new silver case, sir? From the boxwallah, two rupees eight annas. — 1931 •(India, historical) Ellipsis of competition wallah. •(UK, slang) A guy or bloke. wallah /ˈwɑːlɑː/ adverb1 •by God (Allah); may God be my witness. Used in making a solemn oath formswallahs