Fat White Household Is Trying to Start a Rebellion, Messily

ImageClockwise from bottom left: Nathan Saoudi, Sam Toms, Adam J. Harmer, Alex White, Adam Brennan and Lias Saoudi of Fat White Family.CreditCreditSuzanne Plunkett for The New York TimesLONDON — On a recent afternoon, four members of the band Fat White Family were sitting in an East London cafe, dressed, as always, like they’ve been riffling…