I was just reading an article on alcohol in the New York Times by Natalie Angier, the excellent science writer (buy her book).
She's talking about the drinking habits of Americans, and points out that "we are by no means the most bibulous people."
bib·u·lous /ˈbɪbyələs/ Pronunciation Key - Show Spelled Pronunciation[bib-yuh-luhs]What a great word eh? I had to share that.
1. fond of or addicted to drink.
2. absorbent; spongy.