A lump of plastic which loosely resembles a guitar (not to be confused with an actual instrument), that is plugged into a wiitard
. It entails gesturing wildly & breaking furniture. This is often played by spotty, prepubescent
& sub-normal humanoids that lack both the 21st chromosome or any inclination to learn the art of playing a stringed instrument.
person 1; "Oh my god that mongoloid is going to cause himself injury, he's clearly having a fit! Help me strap him down til the ambulance arrives."
person 2; "No need, he's not fitting but playing on that bloody ShuitarHero. Does anyone here have any objection to me breaking that talent-sapping fucktard-toy over my knee? No? Cool, I be back in a mo mate..."