Is laughing one's head off an accepted idomatic expression?
If not, what would the correct expression be?
Similar hyperbolic expression was used by Shakespeare in The Taming of the Shrew (3:2): "Went they not quickly, I should die with laughing." Also see split one's sides
split one's sides: Information from Answers.com
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Last edited by vil; 07-Sep-2011 at 15:00.