Wig·wag v. t. & i. [imp. & p. p. Wigwagged p. pr. & vb. n. Wigwagging ] To move to and fro, to wag.
wigwag
v 1: send a signal by waving a flag or a light according to a
certain code
2: signal by or as if by a flag or light waved according to a
code
[also: wigwagging, wigwagged]