Yen

Speaking of words, yen is not only a form of Japanese currency, it also means to pine for something.

http://www.google.com/search?rlz=1C1GGLS_enUS342US342&sourceid=chrome&ie=UTF-8&q=define:yen

Maybe it's a yearning to spend money?

I love those ducks/geese/birds/whatever, by the way.