Synonyms of sidesplitter

1 Syllable
lark, show, splash, romp, smash, wow, howl, scream
2 Syllables
skylark, tumult, frolic, excess, panic, uproar, flourish
3 Syllables
carousal, thigh-slapper, revelry, confusion, sensation
4 Syllables
comedienne, merrymaking, festivity, boisterousness
5 Syllables
extravaganza, jollification