Source : Webster's Revised Unabridged Dictionary (1913)

Drug \Drug\, v. i. [imp. & p. p. {Drugged}; p. pr. & vb. n.
   {Drugging}.] [Cf. F. droguer.]
   To prescribe or administer drugs or medicines. --B. Jonson.

Drug \Drug\, v. t.
   1. To affect or season with drugs or ingredients; esp., to
      stupefy by a narcotic drug. Also Fig.

            The laboring masses . . . [were] drugged into
            brutish good humor by a vast system of public
            spectacles.                           --C. Kingsley.

            Drug thy memories, lest thou learn it. --Tennyson.

   2. To tincture with something offensive or injurious.

            Drugged as oft, With hatefullest disrelish writhed
            their jaws.                           --Milton.

   3. To dose to excess with, or as with, drugs.

            With pleasure drugged, he almost longed for woe.
                                                  --Byron.

Drug \Drug\, v. i. [See 1st {Drudge}.]
   To drudge; to toil laboriously. [Obs.] ``To drugge and
   draw.'' --Chaucer.

Drug \Drug\, n.
   A drudge (?). --Shak. (Timon iv. 3, 253).

Drug \Drug\, n. [F. drogue, prob. fr. D. droog; akin to E. dry;
   thus orig., dry substance, hers, plants, or wares. See
   {Dry}.]
   1. Any animal, vegetable, or mineral substance used in the
      composition of medicines; any stuff used in dyeing or in
      chemical operations.

            Whence merchants bring

            Their spicy drugs. --Milton.

   2. Any commodity that lies on hand, or is not salable; an
      article of slow sale, or in no demand. ``But sermons are
      mere drugs.'' --Fielding.

            And virtue shall a drug become.       --Dryden.

Source : WordNet®

drug
     n : a substance that is used as a medicine or narcotic
     [also: {drugging}, {drugged}]

drug
     v 1: administer a drug to; "They drugged the kidnapped tourist"
          [syn: {dose}]
     2: use recreational drugs [syn: {do drugs}]
     [also: {drugging}, {drugged}]