His head broke the surface, and he flailed the water in an effort to keep his nose in air.
He flailed the air frantically, and managed to regain his balance.
He shot his eyes quickly sideways as she flailed the air with her forefeet within a foot of his head.
Braced on his strong, short legs Gunnar flailed them like wheat.
Leaping to his feet, Kendrick flailed out with solid fists at their attackers.
Then he had them beaten, flailed, until the fibres were all separated one from another.
The icy paralysis left his arms and legs; he kicked and flailed.
As the others rushed in, Gavir flailed about him with long arms and heavy fists.
Now she wound her fingers in the white cloud of mane that flailed her face and edged up, inch by inch.
He neither stamped his feet nor flailed his arms about to drive off the cold.
"implement for threshing grain," c.1100, perhaps from an unrecorded Old English *flegel, which probably represents West Germanic *flagil (cf. Middle Dutch and Low German vlegel, Old High German flegel, German flegel), a borrowing of Late Latin flagellum "winnowing tool, flail," from Latin flagellum "whip" (see flagellum).
15c., from flail (n.); originally "to scourge;" sense of "to move like a flail" is from 1874. Related: Flailed; flailing.
v. flailed, flail·ing, flails
To move vigorously or erratically; thrash about.
To strike or lash out violently.