What’s a retrophisch?

I remarked to my buddy Brian that “retrophisch” sounded like something out of The Hitchhiker’s Guide to the Galaxy, since it reminds me of “babelfish” from that series. Brian responded with a definition, based upon the one for the babelfish:
retrophisch: n. Living organism which is placed in the auditory canal of intelligent life forms. Used as a universal translator. Disadvantage: Translates to pure Anglo-Saxon English, hence the prefix “retro.”