Karl Fogel at
Impmentum (noun):
The threshold of motivation required to finally impishly implement a solution to some trivial problem that had been bugging one for a long time but that one had never quite gotten around to solving before.
As in: "I finally got the impmentum to solve X today."
In this particular case for me today, X was the fact that by default Etherpad doesn't let one directly paste text copied from a non-browser source (such as my Emacs buffer). I finally reached the impmentum to do the following: