Fledofleblin is a word that can be substituted for any word chosen at will by the speaker. It is usually substituted for a noun or verb, but can also be used as an adverb or adjective.
That building is so Fledofleblin!
How many Fledofleblin do you have today?
My Fledofleblin John ran Fledofleblin Fledofleblin in only 3 Fledfleblin!