Adam Sandler details bizarre heckle from early stand-up gig in exclusive 'My Next Guest' clip

Adam Sandler details bizarre heckle from early stand-up gig in exclusive 'My Next Guest' clip

"It was five minutes of just silence," the "Happy Gilmore" star recalls of a set he performed in Boston in his high school years.Netflix Adam Sandler and David Letterman on 'My Next Guest Needs No Introduction'Every comedian has to contend with hecklers — and Adam Sandler still remembers a particularly strange jeer from his teenage stand-up days.In an exclusive clip from his upcoming conversation with David Letterman on Netflix's My Next Guest N…