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That hour of the night or wee hours of the morning when all hope of concentration or productive/efficient activity is lost, and saying "Noodle" out loud results in fits of giggling and manical laughter.
Cecilia: "No...it's too early..."
Ernest: "Teeheeheehee...heehee..."
Cecilia: "What? Noodle hour already?"
by Cecilia Walters January 22, 2010