Oktoberfest is a lifestyle for the Hacker Herren, a nationwide men’s social club that assembles every year for beer, brotherhood, and debauchery inside the Hacker-Festzelt, the festival tent that serves Hacker-Pschorr brand beer. Over the decades, more than 600 men have joined Hacker Herren pilgrimages. Like any frat worth its weight in booze, the Hacker Herren have esoteric rules and traditions. Photo: Cydney Hayes / Gazetteer SFIn 2021, when the official Munich celebration was canceled due to Covid, the men gathered in Cincinnati for a domestic Oktoberfest, drumming up so much business and spirit that then-mayor John Cranley officially proclaimed September 17 “Hacker Herren Day.” Usually, if you leave when the tent is packed, security won’t readmit you, but the Hacker Herren wear matching jerseys that work like golden tickets.