run wild

:  to go faster than a walk

:  to go steadily by springing steps so that both feet leave the ground for an instant in each step

:  to move at a fast gallop

:  an act or the action of running :  continued rapid movement

:  a quickened gallop

:  a migration of fish (as up or down a river) especially to spawn

:  being in a melted state

:  made from molten material :  cast in a mold

:  having made a migration or spawning run

:  living in a state of nature and not ordinarily tame or domesticated

:  growing or produced without human aid or care

:  related to or resembling a corresponding cultivated or domesticated organism

:  a sparsely inhabited or uncultivated region or tract :  wilderness

:  a wild, free, or natural state or existence

:  in a wild manner: such as

:  without regulation or control

:  off an intended or expected course