Dictionary.com
Thesaurus.com
Synonyms

split one's sides

Idioms  
  1. Also, laugh one's head off. Be extremely amused, laugh uproariously. For example, That comedian had us splitting our sides, or Jane laughed her head off when she saw Rob's costume. The first of these hyperbolic terms dates from about 1700.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The poor little rocking-chair over in the corner was in reality a mere attempt at a rocking-chair; with the smallest sense of humour, one might easily split one's sides with laughter at it.

From Hunger by Hamsun, Knut