A soloist who holds the guitar in an upright position and plays an outrageously fastsolo by tapping the fret board, as if he was stroking his upright penis. Hence the term "cock rocker."
Usually found in an '80s hair metal band.
Man, that guy was totally soloing like a cock rocker!!!
When you shoot a load of semen across the room by holding onto the base of your penis while you ejaculateand then releasing your grip 2-3 seconds after cuming.
Joe shot a cock rocket across the room at maxium velocity after and intense sexual encounter with his wife.