Meaning
To beat around the bush / To pad out
Example
Não vá encher linguiça só para deixar sua resposta mais impressionante.
Don't pad out your answer to make it seem impressive.
Origin
The phrase refers to the old Portuguese practice of stuffing sausages — filling the casing with as much cheap padding as possible. Metaphorically, to 'fill sausage' = to pad a speech or a text with nothing.
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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