A breakfast cereal made of small, round, oat-based rings that are eaten with milk, or a friendly way of saying goodbye.
From 'cheerio,' a British expression meaning goodbye, which itself comes from 'cheer' plus 'io' (an Italian farewell word), creating the cereal name in 1941.
The cereal was named 'Cheerios' as a pun on the British goodbye, making breakfast food that's literally a cheerful farewell—advertising genius meets clever wordplay.
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