Meaning
Figure it out yourself, manage on your own
Example
Não tenho como te ajudar agora, dê seus pulos!
I can't help you right now, figure it out yourself!
Origin
No single documented coinage is on record for this one — dictionaries confirm the meaning (to manage on your own, to hustle up a solution) but not an origin story. The image itself is transparent: pular means "to jump" or "to hop," and dar seus pulos pictures someone nimbly leaping between obstacles instead of waiting around for help — the same resourceful, improvising spirit behind expressions like se virar.
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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