money burning a hole in one's pocket
Money that someone has just acquired and is eager to spend: “The day I got my allowance, I hurried down to the sporting goods store, the money burning a hole in my pocket.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.