Green's Dictionary of Slang
Green's Dictionary of Slang (GDoS) is a multivolume dictionary defining and giving the history of English slang from around the Early Modern English period to the present day written by Jonathon Green. As a historical dictionary it covers not only slang words in use in the present day but also those from the past which are no longer used, and illustrates its definitions with quotations.
Source: Wikipedia — Green's Dictionary of Slang (CC BY-SA 4.0)