The phrase "what's coming to one" means getting what one deserves. Synonyms of this phrase include "receiving one's just deserts," "the chickens coming home to roost," and "getting one's comeuppance." Other synonyms include "getting what's coming," "getting one's due," or "getting one's punishment." It can also be referred to as "getting one's retribution," "getting one's payback," or "getting one's karma." The phrase suggests that individual actions have consequences and that one should be prepared to face them. Ultimately, these synonyms are used to express the notion that people will eventually get what they deserve.