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Another spelling of tenacious. Often mistaken for Tenacious D, which is entirety inaccurate, Tananshis is a kind, considerate person that will bring joy into your life. Tananshis is playful and loves to joke around. Tananshis is rarely serious, but will always be there when needed. If you ever find yourself being friends with Tananshis be sure not to let them go.
You look like you're a great football player, I bet you're tanashis.
by Thugggirl June 07, 2013
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