punk

nouns

an aggressive and violent young criminal
substance that smolders when ignited; used to light fuses (especially fireworks)
is a type of (narrower)
a substance used to ignite or kindle a fire
material for starting a fire
a teenager or young adult who is a performer (or enthusiast) of punk rock and a member of the punk youth subculture
rock music with deliberately offensive lyrics expressing anger and social alienation; in part a reaction against progressive rock

adjectives

of very poor quality; flimsy