[prank] n [obs. prank to play tricks] (ca. 1529): trick: a obs: a malicious act b: a mildly mischievous act c: a ludicrous act
[2]prank vb [prob. fr. D pronken to strut; akin to MHG gebrunkel glitter of metal] vi (15c): to show oneself off ~ vt: to dress or adorn gaily or showily