Boffo (adjective)

1. Extremely successful, especially in terms of box office receipts or audience reaction.
2. Extremely good or impressive, often in a flashy or exaggerated way.

Origin:

1920s, american english, probably a blend of "big" and "off".

Examples:

1. The movie was a boffo hit and grossed millions in the box office.
2. The performance was boffo, and the audience gave the actor a standing ovation.
3. The product launch was boffo and exceeded all sales expectations.
4. The boffo performance earned him a spot on the national tour.
5. The boffo show was a hit with the critics and audiences alike.