"Die laughing" is a popular expression that is often used to describe a situation that is incredibly humorous. However, there are numerous other phrases that can be used to convey the same meaning. Some synonyms for "die laughing" that you can try using include "crack up," "burst out laughing," "be convulsed with laughter," and "roar with laughter." Other alternatives include "splitting your sides," "laughing your head off," and "hooting with laughter." Whatever your preference, there is no shortage of words or phrases that can be used to describe the feeling of roaring laughter, so why not have a little fun and experiment with some new vocabulary today?