The bonus chaser joins a poker site that is currently offering a bonus and makes a deposit. Question: What is a bonus chaser? Answer: A ‘bonus chaser’ is a person who actively seeks out and takes advantage of the poker bonuses used by many online poker rooms to attract more clients. Some of our Members of ITH earn thousands of dollars a year while chasing poker bonuses. For those with a limited bankroll, free online poker bonuses are an excellent way to start building a bankroll.