Chooseyer is a slang term that refers to someone who is picky or particular when it comes to making decisions. There are many synonyms for chooseyer, such as discerning, selective, fastidious, meticulous, demanding, and choosy. A discerning individual is one who has the ability to judge and evaluate things with keen insight or discrimination. A selective person is someone who chooses carefully or with a specific criterion in mind. A fastidious individual is one who is very detail-oriented and has high standards. A meticulous person is someone who is precise and thorough in their work. A demanding person is one who expects a lot from others or themselves. Choosy individuals are those who are particular and will only accept what meets their specific requirements.