look up any word, like donkey punch:
 
4.
Apathetic towards others. Rather be alone thinking than with a bunch of other people. People think that something's wrong but there really isn't. Quiet and soft spoken.
Jill: Hey, what's wrong with Michael? Is he having a bad day?

John: Naw, he's just being River. It's a natural thing..
by Poon Daddiiiiiiii July 26, 2009
 
15.
The effect created when a girl is really, really, REALLY wet.
I pulled off her panties, and it was like a freakin' river.
by the letter d August 26, 2007
 
16.
Where good players continually get fucked by randomness
he fucking caught the random straight on the river
by Cale Halley October 30, 2003
 
17.
One names their child "River" when one is fingered by a gorilla, is destroyed by a Ses, impregnated by an animal, and during the 9 month duration of the pregnancy, has her snatch licked by a girl named Kris, who some believe might have a penis.
Man, River sure looks a lot like Anthony.
by San/Hulk December 22, 2008