The origin of this word is loosely within contexts of a general expansion in the english language by grammar nazi's trying to
perfect the abstraction of an unusable word.
It has no exact definition because it means every
single possible word, idea, location, person, action, emotion, adjective and any other thing you can think of at once. To use the word prophecate anywhere in any sentence is to say everyword and idea at the same
time. It is by definition the infinity of words.
The prophecators prophecated prophecatingly at the nearest prophecation
office, they did so without prophecation. (each occurence of
the word prophecate in this sentence is a
different word in and of itself.)