(You're the) Devil in Disguise

The speaker describes a relationship that first seemed joyful and loving, then turned into a painful discovery of deception. At the beginning, the other person appears charming and trustworthy. The repeated accusation that they are a “devil in disguise” shows the speaker’s anger and certainty, while “I got wise” marks a change: the speaker believes they have finally understood what was happening.

The angel-and-devil contrast is the central image. Looking, walking, and talking “like an angel” suggest an appealing outward manner, while the devil represents harmful behavior hidden beneath it. “Fooled me with your kisses” connects affection with deception: the kisses seemed to signal love, but the speaker now sees them as part of being misled. “I thought that I was in heaven” means the relationship felt wonderful, not that the speaker is describing a literal place.

The lyrics present the speaker’s view in strong, simple terms: one person is innocent and newly “wise,” the other is deceitful. That may reflect genuine betrayal, but it is still one person’s emotional account, not a complete picture of the relationship. The repeated phrase may sound confident, yet the surprise and plea for help also suggest hurt and regret that the warning signs were missed.