flail
flail /fl'eɪl/ (flails flailing flailed)
[VERB] V, V n
If your arms or legs flail or if you flail them about, they wave about in an energetic but uncontrolled way.
His arms were flailing in all directions...
He gave a choked cry, flailed his arms wildly for a moment, and then went over the edge.
[PHRASAL VERB] V P
Flail around means the same as flail.
He starting flailing around and hitting Vincent in the chest.
[VERB] V, V n
If your arms or legs flail or if you flail them about, they wave about in an energetic but uncontrolled way.
His arms were flailing in all directions...
He gave a choked cry, flailed his arms wildly for a moment, and then went over the edge.
[PHRASAL VERB] V P
Flail around means the same as flail.
He starting flailing around and hitting Vincent in the chest.