Definition of "punk rock" [punk rock]

• A form of hard-driving rock 'n' roll originating in the 1970s, characterized by harsh lyrics attacking conventional society and popular culture, and often expressing alienation and anger. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "One kid, a hardcore-looking punk rock chick, comes running backward past us."
• "His jumpily cut scenes are backed by propulsive punk rock that catches his teens’ 1980s-speed minds."