A triple radio is a sex act between three consenting adults that would normally be able to manage a trois in person, but due to circumstance (say hurricane weather conditions) are physically separate and so use radios to engage in some explosive tele sex.
Dave: Damn I missed the inter island ferry so won't be home to night.
Anna: No problem, Jane missed hers too so we can just triple radio instead.
by izanbard November 7, 2017
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