a. [f. JAPE sb. + -ISH1.] Of the nature of a jape; inclined to jest. Hence Japishly adv., Japishness.
1882. Sat. Rev., 4 Nov., 598/2. Surely a man of some japishness might be fished out here and there. Ibid. (1888), 15 Dec., 714/2. Stocktons Bee-man of Orn is a collection of Märchen, writ japishly, and of varying value.