Abstinência means 'withdrawal' or 'abstinence', the kind someone experiences when they stop using an addictive substance.
In this song, IZA uses this powerful word metaphorically. She sings, "Abstinência de mim" ('Withdrawal from me'), to describe how her ex feels after their breakup. She's so intoxicating that being without her love feels like a physical withdrawal, making this a very dramatic and memorable way to express an intense connection.
Have you ever been in a relationship so intense it felt like an addiction? That's exactly what Brazilian R&B superstar IZA is singing about in "Droga." She tells her lover that even when he's angry and says he'll never come back, he can't resist her. Why? Because, as she says, he's "viciou na droga / Que é beijar minha boca" (addicted to the drug / that is kissing my mouth).
She's completely in control of the situation and knows it. She playfully tells him his case is serious and he's suffering from "Abstinência de mim" (Withdrawal from me). The best part is how this