The Dictionary of Informal, Slang and Idiomatic Phrases
Definitions for all the common expressions used in everyday English speech, with examples of sentences using them.
www.geocities.com/informalenglish/dictindex.html   Kids and Teens: School Time: English: Vocabulary: Slang  

Focus on English
Helps learners practice idiomatic expressions and everyday phrases used in conversation.
www.focusenglish.com/   Arts: Education: Language Arts: English: English as a Second Language: Student Resources: Listening and Speaking