noise terrorist
Any musical artist whos music is unbelievably loud or noisy - Examples can be hardcore emo bands such as Converge or Circle Takes the Square and British Gabber artist Syntax.
(Taken from the Syntax song 'Noise Terrorists':
'Make no mistake, raise up your fist
Open your ears for the noise terrorists'
'Make no mistake, raise up your fist
Open your ears for the noise terrorists'