WE'RE ALL GONNA DIE!!!

From HallsWiki

Usually yelled by Hallsians in the face of impending doom, the phrase was coined when Slovman created a thread titled, appropriately enough, WE'RE ALL GONNA DIE!!! In it, Hallsians pointed out signs that the end was near, always followed by that same phrase. Although the thread has been closed, the saying lives on in the Halls.