deriding, gibing(or jibing), jeering, laughing (at), mocking, ridiculing, shooting down, skewering

scoffing (at), scorning, sneering (at)bad-mouthing, belittling, decrying, disparaging, pooh-poohing(also poohing), putting downchaffing, jiving, joshing, kidding, quizzing, rallying, razzing, ribbing, riding, teasing, tweaking, twittingbaiting, barracking(chiefly British), bugging, catcalling, harassing, harrying, hassling, heckling, needling, pestering, ragging, targeting, taunting, tormentingaping, burlesquing, caricaturing, imitating, lampooning, mimicking, parodying, parroting, pillorying, satirizing, taking off (on), travestying

cocking a snook (at)also cocking snooks (at), making fun of, making sport of, poking fun at, ragging on