Malote is a playful, colloquial term for a "bad boy" or "tough guy." It's formed by taking the word malo (bad) and adding the augmentative suffix -ote to make it bigger or more intense.
In "Nocturno," the singer embraces this persona, quoting a girl who calls him a malote. It's a perfect example of modern, informal slang that captures the song's confident and rebellious attitude.
Fuerza Regida's "Nocturno" is all about the double life of a guy living fast after dark. He calls himself the bad guy, "De noche soy el malo después de las doce" (At night I'm the bad guy after twelve), and he's definitely leaning into it. He boasts about his shiny Rolex and the girl who calls him a "malote" (bad boy). The song is full of blunt descriptions of this lifestyle, from partying and smoking to a very direct line about his partner not liking condoms. It's a mix of showing off wealth and a wild, unfiltered personality.
But then the song switches gears into a messy, complicated romance. One minute he's saying "Qué rico se siente pasarla contigo" (How good it feels to spend time with you) and offering to fly her to Miami. The next, he's complaining about their fights and then just drops this bomb: "A veces, de repente, me chingo otros cueros" (Sometimes, suddenly, I f--k other women). He admits he's confused himself but also says he likes "las güeras bien mamoncitas como tú" (stuck-up blondes like you). It's a completely honest, if chaotic, look at a guy who wants it all: the party life, the girl, and his freedom to mess up.