noun
a person or group who is very successful or enthusiastic in a particular activity
verb
to be very successful or enthusiastic in a particular activity
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The company's new marketing campaign is expected to go gangbusters in the next quarter.
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Once the concert started, the crowd went gangbusters and started dancing.
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When the team scored the winning goal, the fans went gangbusters in the stands.
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After months of hard work, her career finally started to go gangbusters and she was promoted to a higher position.