Cagada is a colloquial and somewhat vulgar term in Portuguese that literally means "shit" or "poop", but it's commonly used to mean "a screw-up" or "a big mistake."
In the song, the artist repeatedly sings "Eu fiz cagada, eu perdi meu love" (I messed up, I lost my love), highlighting his regret and the significant error he made that led to his heartbreak. It's a very expressive and relatable word for making a big blunder.
Tierry's "O Pai Tá Off" is a hilarious and relatable tale of heartbreak, Brazilian style! Our singer is absolutely devastated after losing his love. He's gone completely off the grid, declaring, "Desliguei o modem, me tranquei no quarto" [I turned off the modem, I locked myself in the room]. He's even thrown his phone in the pool and is hiding and crying in the shower!
He admits, "Eu fiz cagada, eu perdi meu love" [I messed up, I lost my love], and since then, he's been drowning his sorrows. He repeats, "Agora o pai 'tá off" [Now dad is off], meaning he's completely checked out and unavailable. He's so heartbroken that he says, "quando eu conto não tem ninguém que não chore" [when I tell it, there's no one who doesn't cry]. It's a dramatic, over-the-top, and totally fun look at dealing with a breakup.