You will commonly see the comment at the top of this frame, "日本語でおｋ". This literally means "It's OK in Japanese." However, it has a deeper meaning -- "It's OK only in Japanese, you stupid foreigner." I said it before, and I'll say it again: POST COMMENTS IN JAPANESE ONLY.
For more information concerning Japanese online idioms & slang, please consider these two threads:
Although these idioms and slang are mostly found on 2ch and Futaba, you'll also find many of them on Nico Nico Douga, as there is a large amount of cultural crossover.
Programming and Maintenance:
Ordinary K !3GqYIJ3Obs