"SYT" is a slang term commonly used in social media that means "Sweet Young Thing". This term is often used to describe attractive young women. However, there are many synonyms that can be used instead of "SYT". Some options include "babe", "cutie", "hottie", "doll", "beauty", "charmer", or "fox". It is important to note that using derogatory or objectifying terms to refer to women is not appropriate. Instead, it is best to use respectful language to describe people, regardless of their physical appearance.