noun. A jackass of yore.
Real citation: "Clarence Thomas, who you mentioned in your post, is merely a paleo-jackass by comparison"
(Jan. 4, 2008, http://mailman.lbo-talk.org/pipermail/lbo-talk/Week-of-Mon-20071231/000267.html)
Made-up citation: "Only a trained specialist--with at least three grad degrees--can tell the difference between a paleo-jackass and a paleo-douche just by glancing at their bone structure or blog posts."