Put it at the end of a classroom fail, after the Game Show Buzzer marks the wrong answer, then let Bruh react to the lecture that follows. Keep it as the final beat in a short skit, paired with a quick cut to the person pretending to teach the group.
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Professor Galdino is a short, roughly five-second spoken clip built around the named professor character, delivered as a direct address that sounds like a classroom aside. It feels playful and mock-serious, like being called out by a teacher who is in on the joke. That classroom-teacher tone is what makes it work as a quick reaction to someone over-explaining.