Discordar means "to disagree" or "to be in disagreement." While it might seem straightforward, its use here is quite poignant and sets the tone for the song.
The singer sarcastically states, "Quem sou eu pra discordar?" (Who am I to disagree?), implying that he actually does disagree with the breakup, but is feigning indifference. This word captures the underlying tension and emotional manipulation in the lyrics, making it a key to understanding the song's narrative.
In Wesley Safadão's "Vai Lá," the singer faces a breakup with surprising confidence. When his partner wants to end things, he doesn't argue. Instead, he agrees, saying, "If you want to break up, then it's over." He even seems to encourage the idea, sarcastically admitting that the single life is great... until the party ends, the bottle is empty, and you're all alone.
This is where the song's true meaning comes out. The singer is daring his ex to go out and live the single life, predicting exactly what will happen: "Go on, go drink, you'll remember, you'll call." He's so sure of their connection that he believes the feeling of saudade (a deep, nostalgic longing) will inevitably prove that they can't live without him. It's a bold and confident anthem about knowing your own worth in a relationship.