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Poposu is the name for the almighty martial art where you walk on your toe knuckles, it is said to have been spread throughout the world since ancient times. Gymnasts, losers and Brunsviger likers usually do it at the different international camps which appears once or twice a year.

Though it may also refer to the Turkish name for booty
I trained Poposu yesterday
One I saw a girl poposuing so hard that her toes fell off
by goatman4455 November 11, 2016
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