Embiggen the Palaver
Write a ficly which cleverly uses words that are either (1) falling into disuse or (2) not yet widely used.
Possible Sources:
Save The Words: http://www.savethewords.org/
Finnegans Wake
Lost Words: http://phrontistery.info/clw1.html
The 10 Coolest Foreign Words the English Language Needs: http://www.cracked.com/article_17251_10-coolest-foreign-words-english-language-needs.html