The phrase "major uproar" refers to a situation where there is a big and loud commotion or disturbance, often involving a large number of people expressing strong emotions or disagreement about something. Full definition
Beyond the shocking nature of the gown's design, the fabric itself was a source of major uproar. (racked.com)
Of course, it caused a major uproar across the Internet and with columnists, as did her follow - up piece defending her position (and, one suspects, buzz for her novel but, hey, more power to her). (omgchronicles.vickilarson.com)
Recently defecting to the IDC, Peralta faces a major uproar in his district. (thealt.com)