- convulsively uproarious: sidesplitting laughter.
- producing uproarious laughter; extremely funny: sidesplitting farce.
Origin of sidesplitting
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for side-splitting
At which point the breakfasters erupted in uncontrollable, explosive, side-splitting laughter.Is Mitt Romney a Laugh Riot? Maybe
August 28, 2012
It proved to be a side-splitting as well as an ice-breaking affair.On a Donkey's Hurricane Deck
R. Pitcher Woodward
Go right up and entertain her with some side-splitting stories.Stover at Yale
His burlesque of Taglioni was side-splitting, especially as he grew stouter.Forty Years of 'Spy'
Expert tumblers, they executed most amazing and side-splitting fails.Michael, Brother of Jerry
Leigh had the art of making pieces—dull to the reader, side-splitting mirth to an audience.
- producing great mirth
- (of laughter) uproarious or very hearty
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012