out an amount of money

out (some amount of money)

Having lost, wasted, or spent some amount of money; having some amount of money less at one's disposal. You little punk! I'm out nearly $500 in repairs because of what you did to my car! I'm very choosy about the movies I go see in the theater—if I'm going to be out 15 bucks, I'll be damn sure it's something I really want to see.
See also: amount, of, out
Farlex Dictionary of Idioms.

out an amount of money

lacking something; having lost or wasted something. I'm out ten bucks because of your miscalculation. I'm out the price of a meal.
See also: amount, money, of, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • out
  • out (some amount of money)
  • lay out (an amount of money) on (someone or something)
  • lay out on
  • make (an amount of money) on (something)
  • make money on
  • peanut
  • for chicken feed
  • for peanuts
  • bring an amount of money in