Yeah, you just don't know enough about other languages to say that.
For example, Chinese internet is littered with random slang too.
like 囧. Or 给力 (pronounced "gei li"give power, but really bad grammar, an internet meme), among many, many others.
Always using words that don't make since like 河蟹 to mean harmony (it means river crab, but it sounds like harmony)