Used in Ireland.
An emotional void of pointlessness filling a Sunday afternoon, heightened by the inevitability of the coming Monday; May or may not be made worse by the presence of a hangover; Synonymous with Sunday Scaries and/or long dark teatime of the soul.
Named after "Glenroe", an Irish telenovela that ran from 1983 to 2001, aired on Sundays at 20:30, and was, for many, the harbinger of the impending Monday.

A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.