Radieră literally translates to "eraser". It's an interesting word choice in the lyrics, as it's not commonly found in song lyrics.
In the song, the line "Eu greu în simplu verde tu o radieră" (I'm heavy in simple green, you're an eraser) suggests a contrast between the singer's complexity or perhaps his struggles, and the other person's ability to easily erase or simplify things. It implies a dynamic where one person is burdened, and the other has the power to make things disappear or be forgotten.
"Bem Coniac" means "we drink cognac", and the song earns that title by turning a private hurt into a public toast.
It opens bitter and quiet. Someone was not wanted, not loved, not waited for. The verse that follows is full of small, deflated images: a sheet of paper nobody wrote anything on, a hoodie pulled over the heart like a lid, girls passing through his mind the way minibuses pass a stop. He says he is busy. Then he says what he is busy with.
From there the song opens outward and never really comes back. Chișinău drinks cognac, and so does Bucharest. Then Râșcani, Botanica, Ciocana old and new, Buiucani, Sculeanca, the old post office. Then France, Germany, Italy, Spain, Portugal. Then Natașa, Serioja, Valera and Jura, and by the end even the zebra and the monkey.
The comedy is in the escalation, and in the rules that somehow survive it. Not in the park, because cognac in the park is not allowed. At the traffic light, fine. On the roof, fine. Straight out of the luggage, also fine.
The heartbreak at the start never gets an answer, and that is rather the point. The song does not resolve anything. It just keeps pouring, and keeps counting who else is pouring too.