in stitches

The idiom "in stitches" is commonly used to describe a situation in which someone bursts out laughing so uncontrollably that they feel physical pain. This concept of intense laughter causing discomfort or pain can be traced back to the early medical practice of stitching wounds. The act of suturing involved using a needle and thread to sew together the edges of a wound, and it could be a painful process. This connection between pain and stitches likely led to the idiom's association with laughter.

In addition to its ties to medical procedures, the idiom "in stitches" is also linked to the world of sewing and textile work. Stitches are an essential part of sewing, used to join fabric pieces together or create intricate patterns. The act of sewing requires precision and concentration, but it can also cause someone to crack up and be a source of pleasure and satisfaction, often causing them to split their sides.

The idiom "in stitches" is widely understood and used in both formal and informal contexts. It is frequently employed in everyday conversations, as well as in various forms of media, such as books, movies, and television shows. This widespread usage has solidified its position as a common phrase in the English language. People know the power of a good joke or funny situation to put them in stitches, falling around, and laughing their heads off.