a poser is a person that trys to blend in with the rest of the people, and changes the way they act/dress to think their cool. posers are someone who goes from prep, to metal head, to punk, to raver for example. and does poser drugs to get attention. (extc)
shaunessy is a big poser. she lives in canada/manitoba/winnipeg, and went from a prepy lil batch to a wanna be metal head, to a faggy bummy punker fag and a faggy raver that wears gay lil glow in the dark braclets.
A person who pretends to like something they do not (a certain type of music, fashion style, etc), usually in order to fit in with a certain group of people.
Pop_Princess394: I LOVE HARD CORE MUSIC!!! Am I cool now?