Cyber language is an important part of internet culture. It is a way for people to communicate on the internet. Usually, some phrases or combinations of words have a certain humorous, exaggerated or ironic effect. Here are some common online phrases: 1666-Meaning of approval or admiration. 2LOL- Laugh Out Loud was an initialism for laughing out loud. 3 ROTL- Rolling On The Floor Laughing means laughing non-stop. 4BBB- Be Right Back means to be back in a while. 5BTow-by-the-Way was a short form of the phrase, which meant that he was just passing by. 6OMG- Oh My God means surprise or shock. 7 IDK - I Don't Know was an initialisation for 'I don't know'. 8FYI- For Your Information. 9.imho-in my humble Opinion. 10ttyl- Talk To You Later. These online terms may have different meanings in different context and need to be understood according to the specific situation.