subs. (colloquial).—1. An opera, or crush hat. Fr., un accordéon. [From the name of the inventor.]
1867. GREENWOOD, Unsentimental Journeys, iii., 21. West-End aristocrats, with spotless jean coats and GIBUS hats.
1871. Figaro, 2 Sept. Much fun may be made by wearing a GIBUS, and collapsing it at the moment of contact with the funnel.
1885. Punch, 4 April, p. 160. Giving his comic, shiny, curly-brimmed hat to the swell who couldn’t by any possible chance have mistaken it for his own GIBUS.
1887. G. D. ATKIN, House Scraps, p. 144. Their GIBUS hats are cock’d awry.
