Bring/ring down the curtain phrase informal
If someone "brings/rings down the curtain", he/she puts an end to a play or performance by literally lowering the stage curtain.
After the audience gave the play a round of applause, the theater brought down the curtain.
If someone "brings/rings down the curtain", he/she causes something to end.
You should bring down the curtain on this episode and then go to bed.
It's about time you rang down the curtain on all the talking and fooling around in our class.
The verbs "bring" and "ring" should be conjugated according to their tense.
During the 18th century, a bell was rung in theatres to signal the curtain's raising and bringing down. The expression only began to be used figuratively from the late 19th century, which means to "bring to an end".
To be in a difficult situation or get into trouble
We broke the vase. We are in deep water.