A period of time when something cannot be done. Antonym of "window of opportunity". A slightly sarcastic phrase drawing on its opposite meaning of a common phrase.
We dont have data for May, thats a huge hole in our marketing campaign. May is a window of inopportunity!
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".