The Collaborative International Dictionary of English v.0.48:

Hocus \Ho"cus\, v. t. [See Hocus-pocus.]
   1. To deceive or cheat. --Halliwell.
      [1913 Webster]

   2. To adulterate; to drug; as, liquor is said to be hocused
      for the purpose of stupefying the drinker. --Dickens.
      [1913 Webster]

   3. To stupefy with drugged liquor. --Thackeray.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hocus \Ho"cus\, n.
   1. One who cheats or deceives. --South.
      [1913 Webster]

   2. Drugged liquor.
      [1913 Webster]