Definition of Araca Lunfardo: attention! Lunfardo CuidadoDiccionario: Alerta.Lunfardo (Argentina ) ( lunf. ) Voice alarm (LCV ) said it also when you want to show suspicion or does not give credit to what another says (LCV ) expression of astonishment, surprise, attention, care or enthusiasm, voice of admiration (JAS ) he said it also when not delivered to a person matching (LCV ).