Definition of "gangbuster" [gangbuster]

• Slang A law enforcement officer who works to break up organized criminal groups. (noun)
• Extremely successful: an experiment yielding gangbuster results; a profitable, gangbusters quarter. (adjective)
• Like gangbusters Slang With great impact, vigor, or zeal: came on like gangbusters at the start of his campaign; a career that took off like gangbusters. (idiom)

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.

• ""I think you have look at what has been happening in India of late," Walker said, using the term gangbuster to describe buying with premiums soaring."
• "While both the U.S. beef and pork industries are having "gangbuster" years for exports in"
• "The same is true for famed gangbuster, and New York governor Tom Dewey, also fated to run against an invincible FDR, then, in a more famous and unexpected defeat, against Harry Truman in 1948."