Meaning
To get back at someone / To get even
Example
Ela não ficou calada, deu o troco na mesma hora.
She didn't stay quiet, she got back at him right away.
Origin
A expressão vem do sentido comercial de troco: o dinheiro que se devolve a quem pagou. Por trás está o verbo trocar (do latim vulgar), a ideia de dar de volta algo equivalente.
Practice idioms with the Idiom Trainer
Falando's Idiom Trainer teaches you to recognize idiom meanings and create sentences using them, so you can speak like a Brazilian.
More idioms
Acertar na moscaTo guess correctly / To hit the nail on the headAmigo da onçaA fake/false friendAndar na linhaTo toe the line / To behave properlyArmar um barracoTo cause a public sceneRodar a baianaTo cause a public scene / To go ballisticArrumar sarna pra se coçarTo ask for troubleArrastar as asasTo hit on someone / To flirtAbrir o jogoTo come clean / To open upArregaçar as mangasTo roll up one's sleeves / To get to workAgarrar com unhas e dentesTo hold on for dear life / To seize an opportunity