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Noun: showboat  'show,bowt
Usage: N. Amer
  1. A river steamboat on which theatrical performances could be given (especially on the Mississippi River)
  2. Someone who deliberately behaves in such a way as to attract attention
    - exhibitionist, show-off
Verb: showboat  'show,bowt
Usage: N. Amer
  1. Display proudly; act ostentatiously or pretentiously
    - flaunt, flash, show off, ostentate [archaic], swank, parade

Derived forms: showboated, showboating, showboats

Type of: display, egoist, egotist, exhibit, expose, river boat, steamboat, swellhead [N. Amer]

Encyclopedia: Showboat