Beyond Polite Japanese: A Dictionary of Japanese Slang and Colloquialisms (Kodansha)

The perfect guide to speaking real Japanese
Beyond Polite Japanese offers more than 500 words and phrases for those who want to take a step beyond Japanese textbooks and speak like a native without spending decades in the country. Many of the entries cover traditional slang, while other entries take up more contemporary usage. Slang-forming prefixes and suffixes are also presented, as well as phrases that are commonly slurred, proving elusive to the foreign ear. Literal meanings, notes on usage, and etymology are included for greater understanding.
Outgrowing polite Japanese is not easy, but with the help of Beyond Polite Japanese, it can be attained. The helpful guide is also a welcome break from the standard fare found in Japanese textbooks.