- Struggle uselessly - Thrash (about) - Thrash about - Wave wildly - An instrument for threshing or beating grain from the ear by
hand, consisting of a wooden staff or handle, at the end of which a
stouter and shorter pole or club, called a swipe, is so hung as to
swing freely. - An ancient military weapon, like the common flail, often
having the striking part armed with rows of spikes, or loaded.
- Express by hand signals - Express by or make signals - Express with motion? It gets a clue amended - Gesture - Make a sign - Motion with one’s hands - Wave