The Collaborative International Dictionary of English v.0.48:

Tew \Tew\, v. t. [imp. & p. p. Tewed; p. pr. & vb. n.
   Tewing.] [OE. tewen, tawen. [root]64. See Taw, v.]
   1. To prepare by beating or working, as leather or hemp; to
      taw.
      [1913 Webster]

   2. Hence, to beat; to scourge; also, to pull about; to maul;
      to tease; to vex. [Obs. or Prov. Eng. & Scot.]
      [1913 Webster]