Fuleteá is a fun Puerto Rican slang word that comes directly from the English word 'full'. It's used to describe a place that is absolutely packed with people, or 'full to the brim'.
In the song, Randy sets the scene for a wild house party by singing "En la sala, fuleteá" (The living room is packed). This is a perfect example of 'Spanglish' and is a great way to see how languages influence each other in modern music.
Picture this: you have a packed house party going on right in your living room, but all you care about is escaping to your bedroom with one specific person. That is the whole vibe of "Welcome To My Crib" by Puerto Rican reggaetonero Randy "Nota Loca" (teaming up with hit producers Luny Tunes). Randy starts by admitting he spent three whole hours cheering up a girl who showed up sad: "Me tomó como tres horas en sacarte una sonrisa de esa tristeza que trajiste" [It took me about three hours to get a smile out of that sadness you brought]. Once he finally wins her over, the goal shifts immediately. Outside the bedroom, chaos rules—"la sala 'tá al garete" [the living room is totally wild and out of control]—so he invites her into his private sanctuary.
What makes this track so fun for language learners is the heavy Puerto Rican street slang mixed with early-2000s English party phrases. Randy shouts "tengo un pari en casa" [I have a party at home] and describes the room as "fuleteá"—short for fuleteada, which comes from "full" and means completely packed to the brim. He points out the hallway overflowing with women ("el pasillo lleno 'e gatas"), playfully blames his wild mood on spiked punch ("esta nota loca e' culpa del ponche"), and switches into English with lines like "mami, mueve tu body" [mami, move your body] and the title hook "welcome to my crib, mamá" [welcome to my house/room, baby]. It is direct, loud, and completely focused on sneaking away from the crowd behind a closed bedroom door.