Top Definition
A person right on the borderline of retardation--as in a person that acts extremely stupidly, just not to the point where they can rightfully be called a retard. This is therefore a more proper term for someone that stands out on account of his/her ignorance or stupidity.
Who says that stupid shit? Nick, you are such a Gawdamn rainbow bison.
by OmicronPersei8 April 05, 2008

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