When in Japan, if you can't speak Japanaese, just make a lot of noises along the lines of "hwa-takko-intakki-makazuki-imporrrrto-thwanka" and they will be most impressed with your attempts to learn their language.
By wedging a whole banana into my cheeks, gabbling meaninglessly and gesticulating with gay abandon, I have often convinced onlookers that I am particularly glad to be Welsh.