Air Guitar Hero 

The act of playing an air plastic Guitar Hero guitar instead of playing a normal air guitar. Most commonly accompanies hearing a song that is featured in Guitar Hero on the radio, a CD player, or an mp3 player.

We were driving down the road when Iron Maiden's "Trooper" came on the radio. Immediately, and unconsciously, we all began to play air guitar hero.

Air Guitar Hero by SH's de1337ed July 2, 2007

Air Guitar Hero 

1.someone who shows off like theyre good at guitar hero

2.someone or some people who spontaneously pretebd to pick up and play guitar hero with a plastic guitar

When we played Almosy Easy by Avenged Sevenfold on RockBand2 Eddy who can't play the RB2 instruments started his daily dosage of being an air guitar hero

Air Guitar Hero by FlYeRsFaN322 February 20, 2009

Air guitar Hero 

When you move your fingers as if you where playing guitar hero with a regular or guitar controller when you arent actually playing, usually while another person has the controller

Look at Billy playing air guitar hero, he is compleatly addicted

Air guitar Hero by Jon AKA Ice May 15, 2008