Merriam-Webster's Learner's: Slang Rules!

A learner's guide to American English slang and its usage when speaking and writing in informal contexts. Noted ESL and EFL teacher Orin Hargraves explains which rules of grammar change (and are sometimes ignored), which words and phrases may be considered inappropriate or offensive, and common ways American pronunciation changes when slang is used. Provides invaluable assistance in identifying slang and how Americans use it.