Can there be any doubt by now that Richard Linklater is America’s most relaxed and quietly ambitious filmmaker? After all but reinventing the coming-of-age movie with his 12-years-in-the-making Boyhood—and building an even more impressive 27-year trilogy with his heartbreaking “Before” movies—the director now serves up a deceptively simple comedy. Everybody Wants Some!! is about nothing more (or less) than the weekend shenanigans that transpire on a Texas college campus in August 1980. The school’s rowdy baseball team returns, welcoming freshman pitcher Jake (Blake Jenner, a clear-eyed find) with the kind of genial hazing—“fuck-with-ery,” the newbie calls it—that brings to mind Linklater’s Dazed and Confused (1993). Bongs will be lit. Pink Floyd will be discussed.