kurt cobain (of nirvana), layne staley (of alice in chains), and jeff pinkus (of the butthole surfers) all have a heroin voice
a voice that many [heroin] users share
"kurt cobain (of nirvana), layne staley (of alice in chains), and jeff pinkus (of the butthole surfers) all have a heroin voice" What is the definition of "heroin voice"?