rampant
adj//ˈɹæm.pənt//hejdlös, ohejdad, otyglad, vild, stegrande, upprest, grasserande
(originally) Rearing on both hind legs with the forelegs extended.
(heraldry) Rearing up, especially on its hind leg(s), with a foreleg raised and in profile.
Rife, or occurring widely, frequently or menacingly.