moneymoon Share definition Flag The time after your purchase of a good or service and before 'buyer's remorse' happens. The moneymoon is over, I realize now that buying that boat was a waste of money. moneymoon by Wayne-K April 21, 2005 Word of the Day on April 3, 2008 0 0 Get merch Get the moneymoon mug. Buy Now — $32.95 See more merch