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See more synonyms for whosis on Thesaurus.com
  1. whoosis.
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or who·sis

noun, plural whoo·sis·es. Informal.
  1. an object or person whose name is not known or cannot be recalled: It's the whoosis next to the volume control.
  2. a person or thing considered typical or illustrative: the usual paragraph about the party given by Mme. Whoosis.
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Origin of whoosis

First recorded in 1920–25; alteration of phrase who's this
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for whosis

Historical Examples

  • I did have my thoughts about you, same as that Whosis, I must say.

    Ruth Fielding Down East

    Alice B. Emerson

  • She looked wild enough to be called a “Whosis,” whatever kind of supernatural apparition that might be.

    Ruth Fielding Down East

    Alice B. Emerson