From Japan Newbie: "That says “konkatsu”. This word isn’t in your dictionary, but if you’ve been studying Kanji for quite some time and know a bit about Japanese society you can probably guess what it means. By the way, “konkatsu” was nominated for the 2008 流行語大賞, if you’re into that sort of thing.I’ll explain this “konkatsu” slang phrase while sharing some information about modern Japanese society and teaching you the joy of Kanji." Click here to read more.