Juergas refers to parties or binges, often implying a period of excessive revelry or indulgence. It's a more colloquial and intense word than simply
This song is a really honest look at a breakup, and it doesn't shy away from the pain. The main image is a "cuchillo en el cuello, congelao' el corazón" [knife at the neck, heart frozen], which tells you right away how intense the feeling is. It's about the end of a relationship, and the singer admits that it was "cosa de dos" [a thing for two], meaning both people were responsible for what happened.
He talks about how "la rutina y mis juergas nos hicieron morir" [routine and my parties made us die], showing how everyday life and his own habits contributed to the split. There's a lot of regret and self-blame, especially when he says, "Por no haber cumplido lo que prometimos tú y yo" [For not having fulfilled what you and I promised]. He even calls himself a "jugador" [player] who "sabía que perdería" [knew he would lose], which is a pretty blunt way to talk about his role in it all. It's a powerful song about the messy reality of a relationship ending.