Backslang is a kind of language where you say words backwards. It's like talking in a secret code that only your friends who understand backslang can understand. For example, if you say "dog" in backslang, you would say "god."
You can turn almost any word into backslang by taking the last letter and putting it at the beginning of the word followed by "ub" or "ab." So, if you want to say "hello" in backslang, you would take the "o" at the end of the word and put it at the beginning, then add "ub" - making the word "olhub."
Backslang can be used as a fun way to communicate secretly with your friends or as a way to keep a conversation private if you don't want others to understand what you're saying. However, it can also be confusing and difficult for people who don't understand backslang to follow along with the conversation.