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Noun: An act, originating in Utah but now popular throughout the western United States usually involving two men (straight or gay) and some kind of electrotherapy device.

Two men (sometimes more, rarely just one) place an individual paddle from an electrotherapy device on their genitals and start the device on the lowest setting.

It is customary, if not preferred, for both men to hold hands or embrace in some fashion while doing so. If both men are straight the contact usually ends there. If the men are bi-sexual or gay, the touching may be more intimate.

The electrotherapy device is slowly cranked up until both men achieve orgasm or the muscle contractions become too painful for either party to bear.
It is a very un-bro thing to do to not hold your buddy's hand while you're riding the thunder.
by Sisko23 December 07, 2010
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