Réginald-Jérôme de Mans’s Dictionary for Menswear Terminology
Lots of inside humor here for StyleForumites, but tons of gems anyone can appreciate as well. E.g. “Jos. A. Bank: Stammtisch of certain Internet clothing enthusiasts. Creator of the zen kōan ‘Is an item at 50% discount 364 days a year or is it at 100% markup one day a year?’” or “Prep: the unbearable wearing the unwearable.”