The OEDILF is an audacious project which is attempting to write a limerick for every word in the English language.642 limericks have been completed so far. Here's an overview of the project. Is it possible? Here's what editor-in-chief Chris J. Stolin says:
Skeptics say it's inconceivable. A new OED? Unbelievable! But I feel secure That if we only endure, It's a goal that is wholly achievable!