What does L8R stand for?

Later

L8r is an abbreviation for later that uses "8" to replace "ate". It is often used by itself or in a sentence and in the context of _CU_ L8R! L8r is most commonly used when texting or chatting online but may also be used when gaming to say goodbye when leaving a game or after defeating an opponent. However, the abbreviation is usually used in relation to seeing someone at a later time.