1 definition by The Grand Duke of Pike: Prince Charles

Top Definition
verb. i-tiss

Drowsy or sleepy effect linked to digesting large meals, usually high in fat or salt content.

Note: The digestive system uses roughly 60% of your energy while you idle about daily, so after eating large meals the digestive system takes energy from other areas of the body, allowing it to work faster, and bringing about a sleepy effect.
Melinda planned on waking up early and doing some shopping on Black Friday, but after her huge Thanksgiving meal the itis set in, and she woke up late in the afternoon.

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