Some words are hard to translate, like the Dutch 'gezellig'.
But there's a more, #explicit, Dutch word that doesn't exist in any other language.
#swaffelen was named the "Word of the Year" in The Netherlands in 2008. The term gained significant media attention due to a video posted on YouTube by a Dutch student where he performed the act at the Taj Mahal.

Oh #Dutch, I love our language...