Internet acronyms are words that is simplified into an acronym. These acronyms are really common and you should have heard some of these. Some of these acronyms that use "8" are usually found on reddit and memes. You might see this a lot in an online game too. These acronyms are so useful if you want to type faster. But avoid using it too much, because some people don't like to read it, for example "gr8 b8 m8 ir8 8/8", sounds ridiculous right?