Perrearla is a fun slang term derived from perrear, a popular verb meaning to dance to reggaeton music, combined with the pronoun suffix -la (it).
In a clever attempt to stall his partner from leaving, the singer mentions a new KAROL G release and insists "Hay que perrearla" (We have to dance to it). This is an incredibly catchy, culturally relevant word that helps learners bridge the gap between traditional vocabulary and modern Latin pop culture.
"Quédate Bebé" is a desperate, and honestly pretty funny, plea for a lover not to leave. The singer starts by listing all the amazing plans they had. We're talking big plans! He's got tickets for New York, a Post Malone concert, and dreams of going to Japan and kissing on a balcony in Paris. He even tries to tempt her with a new Karol G song, saying, "Hay que perrearla, no te vayas, quédate" (We have to dance reggaeton to it, don't go, stay). It's a classic bargaining move, reminding her of all the good times they were supposed to have.
When the big romantic gestures don't seem to be working, he gets down to the nitty-gritty. He asks what they're supposed to do with their shared dog and what they'll tell people. My favorite part is when he brings his mom into it, saying they have a dinner planned and that his mom really likes her! He lays it on thick, saying, "Una vida sin ti no tiene sentido / Es como morir sin haber vivido" (A life without you has no meaning / It's like dying without having lived). He's pulling out all the stops, from future trips to family guilt, all to get her to just... stay.