A Boomerang Deposit Bonus is a promotional offer commonly used by online casinos and betting sites to attract new players or retain existing ones. This bonus allows users to receive a percentage of their initial deposit back as a bonus, often with specific wagering requirements. The unique aspect of the "boomerang" concept is that it encourages players to return to the platform, as the bonus can be used for future bets or games. This enticing offer enhances the gaming experience, providing players with extra funds to explore various options and increase their chances of winning.