whoosis

or who·sis

[ hoo-zis ]

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.

Origin of whoosis

1
First recorded in 1920–25; alteration of phrase who's this
  • Also whoo·sy .

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024