Meaning
To make do / To get by / A quick fix
Example
Arrumamos uma TV de 24 polegadas que dava pra quebrar o galho.
We found a 24-inch TV that could work as a temporary fix.
Origin
The expression quebrar o galho (literally "to break the branch") is rooted in rural life, where a tree branch was the handiest improvised tool. People snapped off a galho to sweep, to prop something up, to make shade or to stand in for a utensil that had broken.
Source: Escreva.ai.
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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