DICT.TW Dictionary Taiwan

 Duff v. t.  [imp. & p. p. Duffed; p. pr. & vb. n. Duffing.]  [Colloq. or Slang]
 1.  To treat or manipulate so as to give a specious appearance to; to fake; hence, to cheat.
 2.  In Australia, to alter the brands on (cattle, horses, etc.); to steal (cattle, etc.), and alter their brands.
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