tumble
intransitive verbTo perform acrobatic feats such as somersaults, rolls, or twists.
intransitive verbTo fall, roll, or move end over end.
intransitive verbTo spill, roll out, or emerge in confusion or disorder.
intransitive verbTo pitch headlong; fall.
intransitive verbTo move quickly or awkwardly.
intransitive verbTo hang down.
intransitive verbTo collapse.
intransitive verbTo undergo a decline in position, status, or fortune.