Coffee and Caffeine FAQ

In Alaska, it's universally referred to as a sludge cup. (Sources: that's its official name on the Snow City Cafe menu, everyone I know who likes them calls it a sludge cup, and a search for Sludge Cup turns up an article in our local alternative weekly newspaper with a reference to what it is.)

This may have something to do with the state's very large oil industry (i.e. oil sludge).