English internet slang and texting language: abbreviations.

Hello everyone,
Internet slang and SMS texting languages are common. Abbreviations replace the use of longer words or expressions. People started using SMS language to reduce the cost of texts, as well as the effort of typing. After that, people did the same on the internet.

Here you are a short list of abbreviations and expressions.
- LOL
- TTYL
- CYA
- GR8
- B4
- RUOK?
- EZ
- W8 4 ME, I'm l8.
- PLZ.
- OIC

Can you figure out the meaning of these abbreviations above?