[nico]

It really depends on the tone and context. If you are a tourist and say it in a joking manner, people are probably going to laugh. If you say it in anger to someone, they might not like it very much.

Similar to how a lot of swear words work in many languages.

It's interesting to see how what matters is not the word, but the intention behind it. At the end we are trying to communicate meaning, and words are just one of our tools to do it.