wagger

noun

1. One who, or that which, wags.

   “a finger-wagger    waggers of tongues”

2. A truant, notably who ditches school.

   “With this mighty resolution framed and glassed, and hung over his bed, along with a pleasing representation of a gleaming eye, bearing the legend, "Thou, God, seest me," he managed by bearing himself humbly among his fellows, or rather, by having humility thrust upon him, to avert for a period such calamity as doth befall the Sunday swimmer, the fruit stealer, the school wagger, the root smoker, the Chinaman pelter, and the window smasher.”

3. (British, abbreviation, alt-of, dated, ellipsis, humorous, slang)Ellipsis of wagger-pagger-bagger.