Source : Webster's Revised Unabridged Dictionary (1913)

Slouch \Slouch\, n. [Cf. Icel. sl?kra slouching felloew, and E.
   slack, slug, a lazy fellow.]
   1. A hanging down of the head; a drooping attitude; a limp
      appearance; an ungainly, clownish gait; a sidewise
      depression or hanging down, as of a hat brim.

   2. An awkward, heavy, clownish fellow. [Colloq.]

   {Slouth hat}, a soft, limp hat of unstiffened cloth or felt.