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In Thailand, there are high-end hostess bars that have washroom attendants that hand out towels, mints, and also massage your back while you do your business at the urinal.

If the massage coincides with your holding your penis while urinating, he is holding your penis by proxy and thus called a Thai Rudder.
I went to The Pent, a high-end hostess bar, and there was some dude in the bathroom. He came over and massaged my back while I took a piss. The was then by-proxy touching my penis, thus giving me a Thai Rudder.
by genius69 February 04, 2013
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