Wave Away Meaning

(idiomatic) To reject or dismiss with a hand gesture.

Example: 2011 January 25, Phil McNulty, “Blackpool 2 - 3 Man Utd”[1], BBC:
  It was the Seasiders, however, who were swiftly on the attack again and they had very presentable claims for a penalty waved away as Varney tumbled under a challenge from Rafael.