R8T Meaning in Chat or Text Messages Online

R8T is an internet slang that is used to mean "rate". It is commonly used in online conversations or social media platforms where people ask others to rate something. For example, someone might post a picture of themselves on Instagram and ask their followers to "R8T my new haircut". In this context, R8T is used to ask for an opinion or rating on the person's new haircut. Another example could be someone asking their friends to "R8T my outfit" before going out. In this case, R8T is used to ask for a rating or opinion on their outfit.