Dummacker, a knowing or acute person.

Dummies, empty bottles, and drawers in an apothecary’s shop, labelled so as to give the idea of an extensive stock. Chandlers’ shop keepers and small general dealers use dummies largely, half-tubs of butter, bladders of lard, hams, cheeses, &c., being specially manufactured for them. Dummies in libraries generally take the form of “Hume and Smollett’s History of England” and other works not likely to tempt the general reader.

Dummy, a deaf-and-dumb person; a clumsy, awkward fellow; any one unusually thick-witted.

Dummy, in three-handed whist the person who holds two hands plays DUMMY.

Dummy, a pocket-book. In this word the derivation is obvious, being connected with DUMB, i.e., that which makes no sound. As a thieves’ term for a pocket-book, it is peculiarly applicable, for the contents of pocket-books, bank-notes and papers, make no noise, while the money in a purse may betray its presence by chinking.

Dump fencer, a man who sells buttons.

Dumpish, sullen or gloomy.

Dumpy, short and stout.

Dun, to solicit payment.—Old Cant, from the French DONNEZ, give; or from Joe Din, or Dun, a famous bailiff; or simply a corruption of DIN, from the Anglo-Saxon DUNAN, to clamour.

Dunderhead, a blockhead.