wag

To swing from side to side, as an animal's tail, or someone's head to express disagreement or disbelief.ambitransitive

• The dog wagged its tail and jumped at its owner.

To play truant from school.AustraliaNew-ZealandUK

• They had "wagged it" from school, as they termed it, which..meant truancy in all its forms.
• […] she wagged English and Science just to go in his car […]

To go; to proceed; to move; to progress.intransitiveobsolete

• "Thus we may see," quoth he, "how the world wags."

To move continually, especially in gossip; said of the tongue.

• She's a real gossip: her tongue is always wagging.

To leave; to depart.intransitiveobsolete

• I will provoke him to 't, or let him wag.

Of the tail (lower order of the batting lineup): to score more runs than expected.intransitiveslang

• The tail wagged.

An oscillating movement.

• The wag of my dog's tail expresses happiness.

A witty person.

• Was not my Lord The veryer Wag o'th' two?
• But being a bit of a wag, and relishing a good joke amazingly, he concluded to have a little fun, and at the same time learn his friend a lesson concerning his negligent custom.