Pendejo is a very common and versatile Spanish slang term that can mean 'idiot', 'asshole', or 'dumbass', depending on the context and tone. It's often used to describe someone who is foolish or has made a mistake.
In "SOLO," the singer uses pendejo to describe himself, acknowledging his own flaws and mistakes in the relationship. He sings, "Que soy un pendejo pero, por favor, no me dejes solo" (That I'm an idiot, but please, don't leave me alone), showing a mix of self-awareness and desperation. This word is interesting because it's a strong, informal term that reveals a lot about the speaker's emotional state and the raw, confessional nature of the lyrics.
Calle 24's "SOLO" is a super honest and a little wild look into someone dealing with a breakup. Our guy is definitely going through it, admitting, "No, mi amor, no me valen madre tus sentimientos" [No, my love, your feelings don't mean a damn thing to me] but then immediately begging, "No me dejes solo" [Don't leave me alone]. It's a funny, sad contradiction, right? He's trying to act tough but clearly heartbroken.
He describes himself as "bien loco desde el domingo" [really crazy since Sunday] and even calls himself a "pendejo" [idiot], showing he knows he messed up. To cope with being "solo, solo, como el perro, solo" [alone, alone, like a dog, alone], he's turning to drinking and other women, but it's not really working. He sings, "Muy bonita y todo, mas no son tus ojos, bebé" [Very pretty and all, but they're not your eyes, baby], which just hits you with how much he misses her. It's a raw, unfiltered confession of loneliness and regret.