Meaning
To stand someone up / To bail
Example
Marquei de encontrar com ela às oito e ela me deu o cano!
I arranged to meet her at eight and she stood me up!
Origin
'Dar o cano' = to give someone the pipe (no-show). The origin is uncertain but Brazilian slang has used it throughout the 20th century for standing someone up.
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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