Meaning
No way; by no means; absolutely not. Used to emphatically deny or refuse something.
Example
— Você vai desistir do curso? — De maneira nenhuma! Vou até o fim.
— Are you going to drop the course? — No way! I'm going all the way.
Origin
A common emphatic negation in Brazilian Portuguese, equivalent to "de jeito nenhum" or "de forma alguma".
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