1 definition by billsmerd
A rock musician or singer who, despite his/her advancing years, continues to chase the ever-fading dream of stardom; a stage-hand or 'roadie' for a touring Rock Band; an over-aged groupie or fan who continues to idolise his/her favorite band or musician.
The crusty old guy with the mullet wearing parachute pants and waving the 'Dokken' banner was a real rockdog!
by billsmerd December 22, 2008