Top definition
An imaginary animal with the body of a spider, but only the back 6 legs of the spider. The 2 front legs are from a rhinocerous. It has the head of a baline whale (for those of you who don't know, a baline whale is a whale that filter-feeds on plankton). It isn't a whole head though, just a skull with no flesh on it.
Man: "Hey! I just saw a rhinosperale!"
Woman: "Shut up. *pwns him with a 2 by 4*
by Kelsey Kremer November 07, 2007
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