sidesplitter

[sahyd-split-er]

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noun

something that is uproariously funny, as a joke or a situation.

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Origin of sidesplitter

1875–80; from the idiom to split one's sides (laughing); see -er¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for sidesplitter

uproar, panic, hoot, laugh, howl, show, sensation, revelry, carousal, wow, splash, lark, frolic, extravaganza, festivity, merrymaking, confusion, excess, flourish, smash