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!