Aguijón literally translates to "stinger" (like from a bee or scorpion). It's a vivid and somewhat uncommon word in song lyrics, making it memorable.
In the context of "Paranoia," the lyric "El aguijón no lo tengo, pero me queda el veneno" (I don't have the stinger, but the venom remains) uses it metaphorically. It suggests that while the immediate threat or ability to inflict harm (the stinger) might be gone, the lingering pain, bitterness, or toxic residue (the venom) from a past relationship or conflict still persists. This powerful imagery makes the word particularly enticing.
No Te Va Gustar's "Paranoia" feels like a blunt, honest conversation with someone from the past you really didn't expect to see again. The singer is surprised, saying, "¿Cómo te va? Tanto tiempo, me hacías muerto" [How are you? So much time, I thought you were dead]. It's clear there's bad blood, with the line "Quedaron las cosas claras desde hace rato. No me mirás, no te miro, ese era el trato" [Things were clear a while ago. You don't look at me, I don't look at you, that was the deal]. The singer questions why this person betrayed them, asking, "¿Por qué me jugaste en contra, si no era lo que buscabas? Quedarte en casa conmigo, ¿qué te costaba?" [Why did you play against me, if that wasn't what you were looking for? Staying home with me, what did it cost you?].
Despite the bitterness, there's a strong sense of freedom now. The repeated line "Ahora estoy libre de tu sombra, libre de mi" [Now I am free of your shadow, free of myself] really drives this home. Even though the past left its mark – "El aguijón no lo tengo, pero me queda el veneno" [I don't have the sting, but the poison remains] – the singer isn't letting this person's attempts to undermine them work. They're trying to say the singer is old or crazy, but the singer just shrugs it off: "Me miro y no me sorprende, puede ser, solo un poco" [I look at myself and it doesn't surprise me, maybe, just a little]. It's a powerful song about finally breaking free from a toxic connection.