The word "two-baser" is often used to describe someone who is deceitful or dishonest. There are many synonyms that can be used to describe this type of person, including cheater, deceiver, fraud, and liar. Other potential synonyms might include trickster, swindler, imposter, or charlatan. While each of these words has a slightly different nuance or connotation, they all essentially describe someone who is willing to lie or act unethically in order to achieve their goals. Whether they are cheating on a test, lying to a friend, or engaging in shady business practices, two-basers are never to be trusted.