Desahogarme is a fantastic verb that means "to vent" or "to unburden myself". It's a very visual word, as it literally translates to "to un-drown myself" from the verb ahogar (to drown).
In the song, the narrator sings about going out with friends pa' desahogarme (to vent). He's trying to escape the feeling of drowning in his sorrow after a painful breakup. It's a powerful and relatable word for expressing emotional release.
Ever been so angry at an ex that you skip the polite breakup speeches entirely? That is the mood Eslabón Armado brings here. The title sets the tone immediately: "Vete a la fregada" basically means "go to hell" or "get lost." It comes from fregar (literally to scrub or wash dishes), but in everyday Mexican slang, using la fregada is a colorful, heated way of telling someone to disappear. The drama starts right after discovering a betrayal with "Ya entendí por qué no me quisiste ver / Te miré con alguien más" [Now I understand why you didn't want to see me / I saw you with someone else]. From there, all the broken promises hit like a brick: "No hagas promesas si no las pudiste cumplir" [Don't make promises if you couldn't keep them].
What makes this track fun is how brutally honest it gets about the petty side of jealousy. First, the singer tries to play it cool and wish them well, singing "ojalá que te bese mucho mejor" [I hope they kiss you much better]. But that high-road attitude lasts about two seconds before he admits the truth: "Miento, ojalá te haga sufrir" [I lie, I hope they make you suffer]. To cope, he heads out with friends and counts drinks: "Dos, tres botellas, hasta que llegue a diez" [Two, three bottles, until I hit ten]. The end goal of all that drinking? Doing the exact thing you should never do after ten bottles: calling the ex right back up to complain that "mi corazón ya no se siente bien" [my heart doesn't feel good anymore].