The party ended, and it was goodnight Irene for the guests.
goodnight Irene
idiomAn involuntary departure.
Origin
disputed originFrom the blues/folk song Goodnight Irene first popularized by Huddie "Leadbelly" Ledbetter.
When the manager saw the budget report, he knew it was goodnight Irene for the new project.
Once the final whistle blew and the team realized they had lost the championship, it was goodnight Irene for their hopes of a trophy.