Creating a slight prickling or tingling sensation; having a light, trembling feeling.
From the verb 'tingle' (to feel a prickling sensation), with the adjectival suffix '-y.' 'Tingle' comes from Middle English, possibly from Old English 'tyngle' or related to 'tinkle.' The sensation word came before the adjective form.
That 'tingly' feeling you get is actually your nerves firing! When your foot falls asleep, the nerves are being pinched. When blood rushes back, all those compressed nerves fire at once, creating that pins-and-needles tingly sensation. It's your nervous system literally waking up.
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