Pega na Mentira is a song by Brazilian singer-songwriter Erasmo Carlos, a central figure in Brazilian rock and popular music whose catchy, conversational songs have remained familiar across generations. The title translates roughly as catch the lie, which explains why the chorus works so well as a reaction sound. Shared online as a longer clip, it preserves the full refrain instead of a single line, giving editors a complete musical punchline to place over excuses, bluffs and playful confrontations.