Verb
bring down the curtain (third-person singular simple present brings down the curtain, present participle bringing down the curtain, simple past and past participle brought down the curtain)
(transitive with on or at) To bring something to an end.
Synonym: pull down the curtain
"I used to think the secret to a happy ending was to bring down the curtain at the exact right time. A moment after happiness, then everything's all wrong again." p76. Chuck Palahniuk