ELI5: Explain Like I'm 5

Poseur

Poseur is a word used to describe someone who is pretending to be something they are not. It is often used to describe someone who pretends to be interested in something they are not, or someone who pretends to have a certain type of personality or style. For example, if someone is pretending to be cool or popular when they are not, people might say that that person is a poseur.