Meaning
To get rejected / To be shut out
Example
Ela não me deu bola, eu dei com a cara na porta! Que vergonha!
She didn't flirt back, I got shut out! How embarrassing!
Origin
The expression dar com a cara na porta ("to come face to face with the door") works through plain physical imagery: you arrive somewhere expecting to be let in, only to meet a shut door instead of the person or place you were after.
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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