THESAURUS
grinning
banter, bantering, beam, booing, bright smile, broad grin, catcalling, chaffing, derision, derisive, derisory, ear-to-ear grin, fleering, flippancy, flippant, fooling, gleaming smile, glowing smile, grin, hissing, hooting, idiotic grin, jeering, joshing, kidding, leering, levity, mockery, mocking, panning, quizzical, ragging, railing, raillery, rallying, razzing, ridicule, ridiculing, roasting, sardonic grin, scoffing, simper, smart, smart-aleckiness, smart-alecky, smart-ass, smartness, smile, smiling, smirk, smirking, sneering, snickering, sniggering, snorting, stupid grin, taunting, teasing, toothful grin, twitting