Webster's Revised Unabridged Dictionary · 1913

Wigwag

Wigwag , intransitive verb

[See Wag, transitive verb]

(Nautical) To signal by means of a flag waved from side to side according to a code adopted for the purpose. [Colloquial]

Wigwag , verb, transitive and intransitive

To move to and fro, to wag.

Wigwag (#) , noun

[See Wigwag, transitive verb & i.]

Act or art of wigwagging; a message wigwagged; -- chiefly attributive; as, the wigwag code.