"Dog" . Argentina. Lunfardo . "In general, it is a word that in lunfardo denotes the "negative" characteristics of the word or phrase to which it is associated: evil, bad, bad". Examples : 1 . In personal relationships ( . . . is a rabid dog): despicable, bad, bad-tempered person. 2 . In trade ( . . . is a dog ) : a thing or object of poor quality. 3 . In trade relations ( . . . They put the dog in me ) : scam , deception , lie , lie . 4 . Music ( . . . it's a singing dog). A person who sings badly, singing unconditionally. 5 . Sports ( . . . it's a dog playing:). A person who plays football or a sport badly.