Slang Dictionaries Online.

from Amazon.com (complete list):

1. The Dictionary of American Slang
2. Slang and Euphemism:: A Dictionary of Oaths, Curses, Insults, Sexual Slang and Metaphor, Racial Slurs, Drug Talk, Homosexual Lingo, and Related Matte
3. 21st Century Dictionary of Slang
4. The Oxford Dictionary of Modern Slang

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