Definition of flange:
an external or internal rib
, used either to add strength
or to hold something in place; an ability in a role-play game
which is not commonly available, overpowered or arbitarily imposed by the referees
"2007: balor, Changing the metaphysics on Rule 7 'Oh look , the amulet of flange has been activated, this means all Paladins now only have one heal per day instead of two.'"