An unhinged, 44-year-old naked man jumped off the top of the Brooklyn Bridge Sunday afternoon in front of shocked onlookers — and miraculously survived, according to cops and wild video. The nutjob affixed multiple flags at the top of the bridge and “took off clothing” after he scaled the north tower on the Manhattan side of the iconic bridge around 2:30 p.m., police sources said. The NYPD’s Emergency Services Unit tried to convince him to come down, but he leapt instead. “A guy jumped out of the top after getting naked,” an X user wrote while posting video of the...