Source : Webster's Revised Unabridged Dictionary (1913)

Waggery \Wag"ger*y\ (-g[~e]r*[y^]), n.; pl. {Waggeries}. [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.

Source : WordNet®

waggery
     n 1: waggish behavior [syn: {waggishness}]
     2: a quaint and amusing jest [syn: {drollery}]