What is "pouch mouth"

Pouch \Pouch\, n. [F. poche a pocket, pouch, bag; probably of Teutonic origin. See Poke a bag, and cf. Poach to cook eggs, to plunder.]

1. A small bag; usually, a leathern bag; as, a pouch for money; a shot pouch; a mail pouch, etc.

2. That which is shaped like, or used as, a pouch; as:

   1. A protuberant belly; a paunch; -- so called in ridicule.

   2. (Zo["o]l.) A sac or bag for carrying food or young; as, the cheek pouches of certain rodents, and the pouch of marsupials.

   3. (Med.) A cyst or sac containing fluid.
      --S. Sharp.

   4. (Bot.) A silicle, or short pod, as of the shepherd's purse.

   5. A bulkhead in the hold of a vessel, to prevent grain, etc., from shifting.

      Pouch mouth, a mouth with blubbered or swollen lips.