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2.
An individual who distrusts intellectual discourse, logical reasoning in the classical definition, or academically peer-reviewed scientific studies and theories, in favor of hyperbolic one-liners and empirical evidence. Often dismissive of anybody with an accredited higher education degree, and extremely hostile to those who exhibit PhD credentials. Generally applies to people of a politically conservative (e.g. US Tea Party, US Republican Party), due to the popularization of former Vice Presidential candidate, Sarah Palin. Technically applicable to those of a more progressive bent, but a different slur is usually more appropriate. (see stupid-ass liberal)
John is a Palin-American through and through. I can understand if he's skeptical of global warming and evolution, but he doesn't seem to understand that his protest signs with misspelled racial slurs only makes him look like a tool.
by BKilnfestas August 13, 2010
 
1.
A pc way to call someone mentally challenged.

See: Retard
Person 1: "OMG, Bryan is such a retard"
Person 2: "Retard is such a strong word. Use 'Palin American' instead."
by Mistahtom February 10, 2010
 
3.
Frikin' Retard, particularly of the far right political persuasion.
Those Palin-American tea- baggers are starting to eat their young
by Grab the Handle March 10, 2010