A sport invented in 2003 involving the gonads of the male sex, where he (e.g. the jackass) must reciprocate his balls up and down the rough bark of a tree (pref. maple).
If the man loses (as in, his balls fall off), then he must seek emergency treatment and possibly a sex change.
Once the man went to the woods to eporleate, he never returned to sanity.
by Davo March 26, 2004

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Top Definition
A sport. The rapid movement of the male gonads in a vertical rigorous motion against the bark of a tree. If your balls explode, you lose. But if the tree bark comes off you win.
The man lost the game of eporleum and and his gonads.
by Bil March 23, 2004

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