What is Set In Jello?
1.
A description of a document (for instance, a programming schedule for a convention) that, while written or printed, is still at the given moment highly flexible and can be reshaped with little to no effort.
Derived by analogue to
The payment terms for this contract are still set in jello.
Random Words:
1.
just a combination of the word (Fridge) and (freezer) ending up as the word fridg/eezer, when you're not sure of where something is..