subs. phr. (Cambridge University).—1.  An academical gown: worn scant and short, and especially applied to the short black gown worn till 1835 by members of Caius College: cf. BUM-PERISHER.

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  1835.  (Quoted in Whibley’s Three Centuries of Cambridge Wit [1889].) ’Tis the College of Caius—’tis the land where the ‘BUM CURTAIN’ lately was spoiled by each jolly chum.

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  2.  Trowsers: see KICKS.

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