high roller

someone who spends money freely or foolishly in the carefree environment of a vacation, even a person of modest means has the urge to play the high roller Synonyms fritterer, prodigal, profligate, spender, spendthrift, squanderer, waster, wastrelRelated Words dissipateNear Antonyms cheapskate, miser, niggard, piker, scrooge, skinflint, tightwad; conserver, saverAntonyms economizer, penny-pincher