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A group of three or more homosexual men, often short in stature, that enjoy the taste of semen so much, they ejaculate onto one another until literal rivers of semen form on their bodies. Once enough rivers are flowing, they consume the semen with haste, often in a ritualistic manner.
Look at those guys, I guarantee you they turn to rivermen at night when nobody's around.
by generalismofranco October 08, 2013
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