"The in crowd" is a slang term used to describe the group of people who are popular or have a high social standing. There are many synonyms for this phrase, such as "the cool kids," "the trendy crowd," "the popular crowd," "the hip crowd," "the in-crowd," "the fashionable crowd," and "the stylish set." These terms all describe a group of people who are seen as being important or influential in a particular social context. Whether referring to teenagers in high school, celebrities in Hollywood, or business executives in a given industry, the in crowd is always a powerful force with plenty of clout.