Definition of hyzer:
(n) :
(disc golf) A throw that curves the way opposite that of the throwing arm, i.e. left for a right-hand player or right for a left-hand player.
(v) :
(transitive, disc golf) To throw a disc with a curve opposite that of the throwing arm, i.e. left for a right-hand player or right for a left-hand player.
(v) :
(intransitive, disc golf, of a disc) To curve the way opposite that of the throwing arm, i.e. left for a right-hand player or right for a left-hand player.