h I'm not sure if it could make you smile but anyway I was walking around Busan with my english friend a long time ago and there was a statue of Mermaid but I didn't know It was said as Mermaid at first so I said "wow there is a fish princess" he asked me "what's fish princess?" "that's fish princess!!" I said, pointing at the statue. and he suddenly laughed heartily and said "oh phil we call that as Mermaid not a princess you are so funny"
and later I called a sweet potato as potato's friend he laughed again!