Chat Room Chuckle is a term used to describe the humorous conversations that take place in online chat rooms. The term is composed of four words: LURK (4 letters), USERS (5 letters), LOL (3 letters), and HEHE (4 letters). LURK is an internet slang term which means to observe or read conversations without participating. USERS refers to the people who are participating in the chat room. LOL stands for Laugh Out Loud, and is used to indicate amusement or laughter. HEHE is another internet slang term which is used to express laughter or amusement.