#spendthrift__spend-all__spendall__spender  someone who spends money prodigally
  supertype:  prodigal__profligate__squanderer  a recklessly extravagant consumer
  subtype:  big_spender__high_roller  one who spends lavishly and ostentatiously on entertainment; "the last of the big spenders"
  subtype:  fungi  (pun) the one who buys the drinks

No statement uses or specializes spendthrift; click here to add one.