The Collaborative International Dictionary of English v.0.48:
Haw \Haw\, v. i. [imp. & p. p. Hawed (h[add]d); p. pr. & vb.
   n. Hawing.] [Written also hoi.] [Perhaps connected with
   here, hither; cf., however, F. huhau, hurhau, hue, interj.
   used in turning a horse to the right, G. hott, h["u], interj.
   used in calling to a horse.]
   To turn to the near side, or toward the driver; -- said of
   cattle or a team: a word used by teamsters in guiding their
   teams, and most frequently in the imperative. See Gee.
   [1913 Webster]
   To haw and gee, or To haw and gee about, to go from one
      thing to another without good reason; to have no settled
      purpose; to be irresolute or unstable. [Colloq.]
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Haw \Haw\, v. t.
   To cause to turn, as a team, to the near side, or toward the
   driver; as, to haw a team of oxen.
   [1913 Webster]
   To haw and gee, or To haw and gee about, to lead this way
      and that at will; to lead by the nose; to master or
      control. [Colloq.]
      [1913 Webster]