what if, what would be the outcome if; suppose that: What if everyone who was invited comes?
31.
what it takes, something that enables one to achieve success or attain a desired end, as good looks, ability, or money: There's a young woman who has what it takes to get along in the world.
32.
what's what, Informal. the true situation; all the facts: It's high time you told him what's what.
O.E. hwæt, from P.Gmc. *khwat (cf. O.S. hwat, O.N. hvat, Dan. hvad, O.Fris. hwet, Du. wat, O.H.G. hwaz, Ger. was, Goth. hva "what"), from PIE *qwod, neut. sing. of *qwos "who" (see who). Meaning "what did you say?" is recorded from c.1300; as an interrogative expletive
at the end of sentences it is first recorded 1785, common early 20c. in affected British speech. Or what as an alternative end to a question is first attested 1766. "To give one what for is to respond to his remonstrant what for? by further assault" [Weekley]. The phrase is attested from 1873. What's-his-name for "unspecified person" is attested from 1697; variant whatsisface is first recorded 1967. What's up? "what is happening?" first recorded 1881.
interrog. What did you say? : The old man held his hand to his ear and said, “Say what?”
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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