Definition of "puckish"

Wolfowitz spoke softly to Yasa, who evidently had no idea who he was but responded with a puckish smile.

2007 April 2, John Cassidy, “The Next Crusade”, in The New Yorker‎

“Chandler Bing,” wrote Matthew Perry in his puckish, self-mocking memoir, “changed the way that America spoke”.

2023 October 29, Zoe Williams, “‘An ironic, self-deprecating metrosexual’: how Matthew Perry captured the spirit of the age”, in The Guardian‎