Squeaky kid that drinks dirt water and sleeps on a couch.
I know someone that is a River horse.
by WindyButtcheeks51 July 03, 2021
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When a fat pet or person has trouble jumping or climbing onto a couch or bed & their pudgy legs kick a lot in desperation, it can be said that that pet or person is "river horsing" as they resemble a swimming hippopotamus.
lol check that fat kid river horsing up into the back of that pickup truck!
by kismet & zee April 14, 2009
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someone who watches and waits in the same water near two lovers fucking and eventually may retrieve some sperm through water transportation. This person proceeds on to beat off to this event below the rapids.
Yo Ryan watched Amber fuck in the Lehigh, he was in the fuckin water what a river horse. -T.C.
by Ching Chong February 28, 2005
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