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To happen with a lot of energy and enthusiasm. Primarily heard in US. When I presented the case to my students, they went gangbusters to try to solve the mystery. Our offense went gangbusters and overwhelmed the other team.
go gangbustersproceed very vigorously or successfully. North American informal
Literally, a gangbuster is ‘a person who assists in the vigorous or violent break-up of criminal gangs’, from which the more general sense of ‘a successful person’ has developed. The phrase like gangbusters means ‘vigorously and successfully’.
1994 Wall Street Journal Sotheby's glamorous semi-annual black tie auction of contemporary art was going gangbusters.