: Saying someone deserves "balas por sapo" is an explicit street threat or an expression of vigilante "justice" within illicit circles, where snitching is considered the ultimate betrayal.
Analyze the phrase as a literal threat: "a few bullets." This signifies that the punishment for betrayal is not legal but physical.
. In this context, "sapo" is slang for an informant or "rat," and the phrase implies violent retaliation.