Source : Webster's Revised Unabridged Dictionary (1913)

Toady \Toad"y\, n.; pl. {Toadies}. [Shortened from toadeater.]
   1. A mean flatterer; a toadeater; a sycophant.

            Before I had been standing at the window five
            minutes, they somehow conveyed to me that they were
            all toadies and humbugs.              --Dickens.

   2. A coarse, rustic woman. [R.] --Sir W. Scott.

Toady \Toad"y\, v. t. [imp. & p. p. {Toadied}; p. pr. & vb. n.
   {Toadying}.]
   To fawn upon with mean sycophancy.

Source : WordNet®

toady
     n : a person who tries to please someone in order to gain a
         personal advantage [syn: {sycophant}, {crawler}, {lackey}]
     v : try to gain favor by cringing or flattering; "He is always
         kowtowing to his boss" [syn: {fawn}, {truckle}, {bootlick},
          {kowtow}, {kotow}, {suck up}]
     [also: {toadied}]