noun-a person who acts like a rockstar but neither plays an instrument, nor is in a band.
"that kid thinks he's got talent, but he's just a mockstar"
by joey bryce June 07, 2005
A person in the spotlight that is famous for no apparent reason. A person that has no real talent except for being famous. Can also mean a star/starlette wannabe.
Paris Hilton, Tara Reid
by Menagerie Idol May 26, 2005