Noun
show tune (plural show tunes)
A popular song originally written as part of the score of a stage musical.
My favorite thing to hear from people is, 'I left the theater and couldn't stop thinking about it.' You want your work to have an impact after they leave the theater. It's the equivalent of leaving a musical humming a show tune. Marin Ireland
For the record, I am not an admitted homosexual, nor am I a homosexual, though I do know the lyrics to every show tune ever written, which might perhaps account for the confusion. John Podhoretz
My favorite show tune has got to be Stephen Sondheim's "I Remember Sky." It's probably the saddest song of all time I sing it to myself in the mirror. No, I am kidding. That's the joke. Laura Benanti