cocked hat /ˈkɑkt-/
  Cock v. t. [imp. & p. p. Cocked p. pr. & vb. n. Cocking.]
  1. To set erect; to turn up.
     Our Lightfoot barks, and cocks his ears.   --Gay.
     Dick would cock his nose in scorn.   --Swift.
  2. To shape, as a hat, by turning up the brim.
  3. To set on one side in a pert or jaunty manner.
     They cocked their hats in each other's faces.   --Macaulay.
  4. To turn (the eye) obliquely and partially close its lid, as an expression of derision or insinuation.
  Cocked hat. (a) A hat with large, stiff flaps turned up to a peaked crown, thus making its form triangular; -- called also three-cornered hat. (b) A game similar to ninepins, except that only three pins are used, which are set up at the angles of a triangle.
  cocked hat
       n : hat with opposing brims turned up and caught together to
           form points