From Wiktionary, the free dictionary
Blend of Friday + Saturday
Fraturday (plural Fraturdays)
- (informal) A period of time that runs from Friday into Saturday, for example because of an intense work schedule.
2014, Amy Finnegan, Not in the Script, page 105:We're just lucky he's so determined to keep his entire weekends free for his family, or we'd all be spending Fraturdays together.