Partysea is a fun and modern Spanglish verb meaning "to party". It's a fantastic example of how languages blend, created by taking the English noun "party" and turning it into a Spanish verb using the common -ear ending.
In the song, the line "Y partysea de viernes a jueve'" means "And she parties from Friday to Thursday". This playful lyric emphasizes a carefree, party-centric lifestyle and is a perfect example of the creative slang you'll find in modern reggaeton.
Puerto Rican artist Jhayco gives us the ultimate anthem for sneaking around in "No Me Conoce". The premise is messy and relatable: in public, a woman completely pretends she has no clue who he is ("Se hace la que no me conoce" [She acts like she doesn't know me]). By day, she maintains an image of total independence, keeping her Instagram on private ("Instagram privado pa' que nadie la vele" [Private Instagram so nobody watches her]) and muting her phone notifications. But once the sun goes down, that cool distance vanishes into late-night chaos.
Jhayco leans hard into lively Puerto Rican slang to detail their secret hookups. When he sings "un par de amigas... siempre la velan pa' que ella siga" [a couple of girlfriends... always keep watch so she can keep going], velar means to watch out or serve as a lookout so nobody catches her. He notes that she is "una Barbie pero no busca un Ken" [a Barbie, but she isn't looking for a Ken]—she is gorgeous and put together, but she has zero interest in a picture-perfect romance. Instead, she hits the highway ("por el expreso") straight to his room until five in the morning ("a las cinco doce" [at 5:12 AM]), keeping their wild nights strictly between them and leaving everyone else in the dark.