What are some alternatives?
When comparing Slang-Dictionary.org and The Online Slang Dictionary, you can also consider the following products
Dictionary.com - Dictionary.com is the world’s leading digital dictionary. We provide millions of English definitions, spellings, audio pronunciations, example sentences, and word origins.
SlangSite.com - SlangSite.
Urban Dictionary - Urban Dictionary is a Web-based dictionary of slang words and phrases.
SayWhat - A fun and informative Video Urban Dictionary.
Macmillian Dictionary and Thesaurus - The Free Online English Dictionary from Macmillan Publishers.
The Free Dictionary - The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries