(n.) a word to describe the process of poppin them bandz and spending large sums of money just so it will come back to you, resembling a cycle that is alike to that of the trajectory of a boomerang, as stated by Iceman and Waka Flocka Flame.
Josh is gettin boomerang money cause he and Scott went to the club, made it rain and made double that money the next day!
by K'nucklesIII April 2, 2013
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Buying a gift for someone with their own money.
Charging Christmas presents for your parents to a credit card they pay for.

"Thank you for the gifts they are so nice."
"Your Welcome. Its all boomerang money anyway."

Also "treating" your roommates to pizza or beer with money they left out on the counter earlier and you claimed.
by HNZ December 8, 2010
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