Nottage
(noun) Nottage is the collective name for things which you find a use for immediately after you've thrown them away. For instance, your greenhouse has been cluttered up for years with a huge piece of cardboard and great fronds of gardening string. You at last decide to clear all this stuff out, and you burn it. Within twenty-four hours you will urgently need to wrap a large parcel, and suddenly remember that luckily in your greenhouse there is some cardb...	(nom commun) pas encore traduit revenez bientôt.
source : The Meaning of Liff