This is not a 100% accurate. I guess it is based on some translation tool. Arabic word used is standard Arabic which is very polite. Dialects use other words depending on the degree of vulgarity. Many countries have the same different words to describe the same. Think of it like ass, rear and bottom.
What I'm getting at is though that no-one I know in the UK (unless they "terminally" consume North American content) says "ass" unironically. They say "arse".
Arabic is same language. But there are different dialects. Like Liverpool english, highpoch, RP, amrican English, southern English, and maybe even Irish and Scottish.
I would not say the universal one but the standard one which could be considered as an equivalent of text book English or RP.