TUMBLE
—verb. (-ling) 1 (cause to) fall suddenly, clumsily, or headlong. 2 fall rapidly in amount etc. (prices tumbled). 3 (often foll. By about, around) roll or toss to and fro. 4 move or rush in a headlong or blundering manner. 5 (often foll. By to) colloq. Grasp the meaning behind an idea, circumstance, etc. (he quickly tumbled to our plan). 6 overturn; fling or push roughly or carelessly. 7 perform acrobatic feats, esp. Somersaults. 8 rumple or disarrange. —none. 1 sudden or headlong fall. 2 somersault or other acrobatic feat. 3 untidy or confused state. [low german tummeln]