Waggery, n.; pl. Waggeries.
Etymology: [From Wag.]
The manner or action of a wag; mischievous merriment; sportive trick or gayety; good-humored sarcasm; pleasantry; jocularity; as, the waggery of a schoolboy. Locke. A drollery and lurking waggery of expression. W. Irving.
Shades of meaning
Fernald has no entry of its own for waggery; he lists it under wit.
He lists it without comment; the entries above explain its neighbors.