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1.
1. A situation in which a person is to put as many pieces of Cinnamon Toast Crunch inside his/her nose or anus within the span of 45 seconds.
2. What people say as a witty substitute for "Cinnamon Challenge" in order to trick people or make them laugh.
Person 1: "25 likes and I'll do the Cinnamon Toast Crunch Challenge!"
Person 2: "What?"
Person 3: "I hope he tapes it."
by Anitsirk Vokinyela March 05, 2012