One possible antonym for "more sleazeball" is "upstanding." An upstanding individual is someone who is honest, reliable, and morally upright. They have a strong sense of integrity and live by a certain code of conduct. They are seen as trustworthy by others and generally have a positive reputation. Other antonyms for "more sleazeball" might include words like ethical, virtuous, responsible, decent, or reputable. These words all suggest someone who is the opposite of a sleazeball - someone who is respectable, honorable, and of good character.