What does the word wag mean?

Usage examples for wag

  1. The Lady Zubaydah mourned for him and said, " Alas, poor Abu al- Hasan the Wag!" – Supplemental Nights, Volume 1 by Richard F. Burton
  2. " I see you're by way of being a wag, Miss Fairfield," Blaney returned, good- naturedly. – Patty Blossom by Carolyn Wells
  3. But if it be I, as I do hope it be, I've a little dog at home, and he'll know me; If it be I, he'll wag his little tail, And if it be not I, he'll loudly bark and wail. – More English Fairy Tales by Various