carefreely, merrily, sportively, wantonly

humorously, jokingly, facetiously, flippantly, frivolously, jocularly, amusingly, absurdly, ironically, jocosely, jovially, laughingly, ludicrously, merrily, mirthfully, ridiculously, satirically, light-heartedly, in fun, as a joke, in jest, for a laugh, for fun, teasingly, whimsically, banteringly, kiddingly, in sport, for kicks, for the lulz, tongue in cheek, to tease, jestingly, archly, mischievously, waggishly, flirtatiously, unseriously, roguishly, good-naturedly, comically, funnily, entertainingly, hysterically, wittily, hilariously, laughably, uproariously, sidesplittingly, riotously … more