There are many synonyms for the phrase "filling pockets". Some of the most common synonyms include "padding one's wallet", "swelling one's coffers", "lining one's pockets", "accumulating wealth", "hoarding riches", "amassing a fortune", and "getting rich". Each of these expressions conveys the same basic concept, which is that someone is amassing wealth or accumulating money for personal gain. These synonyms can be used interchangeably to describe anyone who is actively seeking to increase their personal wealth through various means, such as investing, saving, or working hard to earn more money. Regardless of which phrase is used, the meaning remains the same - someone is focused on accumulating wealth at all costs.