Bung n.
  1. The large stopper of the orifice in the bilge of a cask.
  2.  The orifice in the bilge of a cask through which it is filled; bunghole.
  3.  A sharper or pickpocket. [Obs. & Low]
     You filthy bung, away.   --Shak.
  Bung, v. t. [imp. & p. p. Bunged p. pr. & vb. n. Bunging ] To stop, as the orifice in the bilge of a cask, with a bung; to close; -- with up.
  To bung up, to use up, as by bruising or over exertion; to exhaust or incapacitate for action. [Low]
     He had bunged up his mouth that he should not have spoken these three years.   --Shelton (Trans. Don Quixote).
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  bung
       n : a plug used to close a hole in a barrel or flask [syn: spile]
       v 1: give a tip or gratuity to in return for a service, beyond
            the agreed-on compensation; "Remember to tip the
            waiter"; "fee the steward" [syn: tip, fee]
       2: close with a cork or stopper