Definition of "boffo"

“Come on, Lana. Give me and the bird a chance. We're boffo.”

a. 1969, John Kennedy Toole, A Confederacy of Dunces, Penguin, published 1981

And if the Hollywood stuff didn’t grab you, you could glom onto “RRR,” S.S. Rajamouli’s phenomenally successful Raj-era Indian action epic that, for sheer boffo exuberance, outdid anything the studios churned out this year.

2022 December 22, Peter Rainer, “Beyond the blockbusters: The 10 best films of 2022”, in The Christian Science Monitor

With a track list stacked with hits such as “Stronger,” “Toxic” and “Circus,” the show has the potential for boffo success, but it also faces unique challenges.

2023 June 21, Julia Jacobs, “A Britney Spears Jukebox Musical Hopes for #SeeBritney Energy”, in The New York Times‎