0 (especially of arms and legs) to move energetically in an uncontrolled way: --
1 a tool consisting of a rod that hangs from a long handle, used especially in the past for threshing grain --
2 to wave something, esp. arms or legs, energetically but with little or no control: --
During the colonial period, wheat was sown by broadcasting; reaped by sickles, and threshed by flails.
He responds to questions with screeches and chirps, he flails his arms when he runs, and he sees all humans as large animated butterflies.
Babies are most often found stretched out, however, because they do not have full control of their limbs, resulting in flailing and twitching.
The precise dimensions and shape of flails were determined by generations of farmers to suit the particular grain they were harvesting.
In the anime, two of the flails transform into circular saws.
The head is kept in line with the upper torso but may bob slightly to accentuate the arm flailing.
The plant begins life when it germinates from the seed in the ground, the vine growing and flailing about before latching onto nearby vegetation.
There are also proprietary flails with different shapes for shredding larger brush and others that leave a smooth, finish cut.