Definition of "zizz" []

• A nap or sleep. (noun)
• To have a nap (verb)

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• "Baroness Thatcher survived by taking 20-minute catnaps - a 'zizz', she called it - in the day and catching up on sleep at weekends at Chequers."
• "That electrical energy—what I call the z-thing—is the zizz, the zam."
• "“Sorry, Ma,” I said when I saw the fracture zizz across her face."