501stpilled Share definition Flag kids who are so addicted to lego clone troopers, it becomes annoying "hey whats little billy doing with those little legos?" "he's 501stpilled, don't touch him" 501stpilled by jimmy_mom:D January 30, 2024 0 0 Get merch Get the 501stpilled mug. Buy Now — $32.95 See more merch