kerrang exclamation 1verb 1forms 3 exclamation1 •The sound of a power chord on an electric guitar. verb1 •(informal) To play a power chord on an electric guitar.Meanwhile, with Brain Stew, Green Day do some serious kerranging on their electric guitars, which they have mixed in with Godzilla vocals (!), to provide a tune of migraine-inducing proportions. — 1998 formskerranged · kerranging · kerrangs