[wig.wag] vb [E dial. wig to move + E wag] vt (1892) 1: to signal by wigwagging
2: to cause to wigwag ~ vi 1: to send a signal by or as if by a flag or light waved according to a code
2: to make a signal (as by waving the hand or arm)
[2]wigwag n (1886): the art or practice of wigwagging