plunger

 
Pronunciation: /ˈplʌn(d)ʒə/

noun

  • 1a part of a device or mechanism that works with a plunging or thrusting movement.
  • a device consisting of a rubber cup on a long handle, used to clear blocked pipes by means of suction.
  • 2 informal a person who gambles or spends money recklessly: he is a plunger when it comes to spending money for news