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A period in time when one becomes hyper and easily-amused. Usually spurred by a period of not sleeping. Characterized by excessive laughter, shortness of breath, and spontaneous urges to act crazy. It is commonly induced by humorous and nonsensical words (i.e. tinfoil, bagpipes, wooden ladle, toenail, pudding, etc.)
Citizen #1: Hahaha, doorknob is such a funny word. I feel like pouring soy sauce on my head and dancing through the streets naked.
Citizen #2: Yo, that nigga is in muffin time.
Special attention given to a women's vaginal region, specifically oral stimulation.
Woman: "I want muffin time!"

Man: "Yes, dear."
by Fatmanscoop crank da lamb August 11, 2009