Wiktionary
witwanton
n. (context archaic English) One who indulges in idle, foolish, and irreverent fancies or speculations; one who tries to be cleverly amusing but falls short. vb. (context archaic English) To indulge in vain, sportive, or irreverent wit; speculate idly or irreverently.
Usage examples of "witwanton".
And Master Lynch bade him have a care to flout and witwanton as the god self was angered for his hellprate and paganry.