The phrase "got rich" refers to the acquisition of vast wealth by an individual. There are multiple synonyms that can be used to describe this situation. A person can use words like "became wealthy," "acquired a fortune," "made a killing," or "hit the jackpot" to describe someone who has had a significant increase in wealth. Other words that can be used include "struck it rich," "came into money," "got loaded," "made bank," and "got a windfall." The usage of these synonyms depends on the context in which they are being used, and their effect on the reader may vary.