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1 definition by pOs-Er

 
1.
noun - one who acts like something he/she is not. usually deals with music. people who think they are punk but are just dumb. avril lavigne.
Billy- Wow Johnny, you sure are punk'd out today with your liberty spikes and leather jacket!
Johnny- Yea I just found a new punk band that you'll never know about.
Billy- O? and what band might that be?
Johnny- New Found Glory
Billy- Stop being a Poser Johnny.
by pOs-Er May 01, 2003