gangbuster
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gang·bus·ter
(găng′bŭs′tər)n. Slang
A law enforcement officer who works to break up organized criminal groups.
adj. also gangbusters
Idiom: Extremely successful: an experiment yielding gangbuster results; a profitable, gangbusters quarter.
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
gangbuster
(ˈɡæŋˌbʌstə)n
1. (Law) an officer of the law who specializes in detecting and breaking up criminal organizations, often forcefully or violently
2. a success; hit
adj
3. extremely successful; fantastic
4. (of a person) driven; determined
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
gang•bust•er
(ˈgæŋˌbʌs tər)n. Informal.
1. a law-enforcement officer who specializes in breaking up gangs of criminals.
2. gangbusters, an outstandingly successful state.
adj. 3. strikingly effective or successful: a gangbusters year for compact cars.
4. enthusiastic: to be gangbusters over an idea.
Idioms: like gangbusters, with vigor and speed.
Often, gangbusters.[1935–40]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.