Why?

Learning Chinese is not an easy task. But the first time I heard the word "water dragon head", it stuck in my mind. Permanently. Words that make you laugh, words that have a story or meaning, words that sound stupid - these are always the ones that stick best in your mind.

Fluency in a language has many facets - one of these is the ability to pick up fringe vocabulary and talk about a range of subjects, in different ways. Importantly, it allows you to surprise your listener.