The song "Déconné" by Miya talks about the feeling of being betrayed and let down by someone they cared about. The lyrics express regret and disappointment over the mistakes that were made in the relationship, and the pain of realizing that things didn't turn out as expected. The song also touches on the struggle to move on and accept the reality of the situation, even though it may be difficult. It describes the emotions of longing and confusion after a breakup, and the struggle to come to terms with the end of the relationship. The artist conveys a sense of resilience and strength, despite the heartache they have experienced.