Apaga el cel is a modern, colloquial phrase that means "Turn off the phone."
It's the title of the song and a perfect example of modern Spanish slang. "Cel" is a common abbreviation for celular (cell phone) used throughout Latin America. This command immediately creates a sense of intimacy and urgency, inviting someone to disconnect from the digital world and be present in the moment.
FloyyMenor's "APAGA EL CEL" is a super direct track about wanting to hook up with a girl for one night, no strings attached. The whole vibe is about leaving distractions behind, especially her phone. He tells her, "Así que, ma, ven y apaga el cel" (So, ma, come and turn off your phone), because he wants her full attention for what he has planned. He's not shy about it at all, with blunt lines about their physical connection and how he knows she enjoyed their last time together.
The song is full of luxury and party imagery. He talks about picking her up in expensive cars like a Porsche Panamera or a Mercedes (the "Meche"), promising a better experience than her other guy: "Él no te subió, nena, con vista panoramic" (He didn't take you up, baby, with a panoramic view). The plan is simple: have a good time, forget any problems, and just let go. He makes it clear this is a temporary thing, saying "Una noche nada más / Después no me digas nada" (Just one night / Don't say anything to me afterwards). It's a straightforward song about desire, luxury, and living in the moment.