english
1
general::
Phrase(s): a smash hit a play, movie, musical, etc., that is a big success. • Her first book was a smash hit. The second was a disaster. • A smash hit doesn’t always make people rich.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
An outstanding success, as in She was a smash hit in the role of the governess, or His first book was a smash hit but this one isn't doing well. [c. 1920]
American Heritage Idioms