Funtera is the art of having fun while caning Pantera at high volume.
Examples of funtera can include head-banging, skateboarding, snowboarding, having sex or any other practise whereby fun is had while listening to Pantera.
Recently the practise of funtera has also come to apply to acts of fun performed while listening to ANY form of heavy metal or heavy metal band.
"Had some crazy funtera with my girl last night!"
"The Download festival was pure funtera! Fuck yea I'm a loser!"