"LWSH" is a phrase that is often used in internet slang and stands for "laughing with tears streaming down my face." There are various synonyms for this term such as "rolling on the floor laughing" (ROFL) which is commonly used to indicate that something is hysterically funny, "cracking up" which is a phrase that indicates that someone is finding something extremely amusing, and "dying of laughter," to indicate that someone is laughing uncontrollably. These terms are often used to express a humorous tone during online interactions, and the use of acronyms and slang has become increasingly common in digital communication.