“When my grandmother-in-law first arrived she saw an invitation with ‘bring a plate’. She figured there’d be way too many plates, so she brought knives and forks instead.” —u/bunniquette Editor’s note: ‘Mufti’ is an Arabic word that is used to describe a Muslim scholar of high standing. Australians began using the term ‘Mufti day’ in the 1960s, but the preferred phrase is now ‘plain clothes day’.