curtains /ˈkɜː(ɹ).tənz/ noun[plural only]5 •(figurative) An end or death.It's curtains for you!He called curtains on his double decade cricket career on Tuesday. •Synonym of curtain (“a hairstyle”) •(informal) A ring of clear liquid, forming into drops, near the top of a glass of fortified wine; the result of differential evaporation of alcohol and subsequent changes in surface tension; an example of the Marangoni effect. •(US, slang) The foreskin. •(US, slang) The labia.