Those include OMG (Oh my god), LOL (laughing out loud), TMI (too much information), FYI (for your information) and BFF (best friends forever).

其中就包括OMG (Oh my god/额滴神啊), LOL (laughing out loud/放声大笑), TMI (too much information/说得太多), FYI (for your information/仅供参考) 以及BFF (best friends forever/永远的好朋友)。

youdao

LOL: I am laughing out loud, owing to the absurdity, humor, or sheer stupidity of the matter about which you are writing.

LOL：我捧腹大笑，因为你描述的那些谬论、小幽默或者十分愚蠢的问题。

youdao

This sample automatically converts incoming acronyms, such as LOL and BRB, to their full text phrase, that is, laughing out loud and be right back.

此示例插件把接收到的缩写词(如lol、BRB等)自动转换为完整的文本短语，转换后也就是laughing out loud以及be right back。

youdao

Thus the celebrated "lol, " "laughing out loud, " and many others.

WSJ: David Gelernter: The Pros and Cons of Cyber-English