Green's Dictionary of Slang online

"Green’s Dictionary of Slang is the culmination of a life’s work for Green. First published in print as a three-volume behemoth in 2010, to awards and rave reviews, it now emerges in digital form with about 30% ‘revised, augmented and generally improved’...

Green’s Dictionary of Slang Online can be searched for definitions, first uses, etymologies, parts of speech, authors, titles, usage labels, etc. As the press release puts it: ‘Those who wish to know how many words James Joyce used for sexual intercourse or Charles Dickens for drunk will find their answers. And whether any came from Yiddish.’..

There are two levels of access. The basics (headword, definition, etymology) are freely available to the public. The rest (citations, timeline, full search) are for subscribers: initially £49 ($60) a year for single users, £10 ($12.50) for students.

Additional discussion at Sentence First.