Commonly-Used American Slang [ Teens/Mature Teens ] - An alphabetical list of words and expressions, set out as a quiz with hidden answers. http://www.manythings.org/slang/

Sayings Explained [ Teens/Mature Teens ] - Searchable database of well-known sayings, phrases, and slang, along with definitions and origins. http://brochuresonline.net/sayings/

The Dictionary of Informal, Slang and Idiomatic Phrases [ Teens/Mature Teens ] - Definitions for all the common expressions used in everyday English speech, with examples of sentences using them. http://www.geocities.com/informalenglish/dictindex.html

Twists, Slugs and Roscoes: A Glossary of Hardboiled Slang [ Teens/Mature Teens ] - Definitions of the lingo used in the crime fiction and movies of the '30's and '40's. http://www.miskatonic.org/slang.html