1. law enforcement officers or agents who work to suppress organized crime or gang activity
Usage: plural noun; often capitalized in historical contexts (e.g., 'Gangbusters' as a radio/TV show title)

1. with great speed, energy, or success; at full force
Usage: informal; chiefly in the phrase 'like gangbusters'

Examples

• The gangbusters arrived at the warehouse to arrest the suspects.
• Business was booming; sales were going like gangbusters.
• The new marketing campaign took off like gangbusters.
• The team played like gangbusters in the second half and won the game.
• The economy grew like gangbusters during that period.
• She attacked the project like gangbusters and finished it in record time.