The term 'wiseguys' primarily refers to people with a shrewd and cunning disposition, particularly in the context of organized crime. However, there are various synonyms for this term that can be used in different contexts. The term 'smart aleck' is commonly used to refer to people who are excessively confident and boastful, whereas 'sharpster' refers to someone who is sharp and astute in their actions. The term 'wiseacre' denotes someone who is cheeky and sarcastic, often using their wit to win arguments. Other synonyms for 'wiseguys' include 'operator', 'smooth operator', 'slickster', and 'hustler', all of which refer to individuals who are savvy, opportunistic, and street smart.