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A sex act wherein you scream into your partner's ear during coitus, causing a loud ringing or tinnitus-like sound to fill your partner's ears - the eponymous "Dial-Tone". First originated in the suburbs of St. Paul, Minnesota.
My Tinder date gave me a Minnesota Dial-Tone last night, and my ears have been ringing all day.
by Nickf2019 June 26, 2019
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