Paul Beale & Eric Partridge 
Shorter Slang Dictionary [PDF ebook] 

From abdabs to zit
From pillock (14th century) to couch potato (20th century)
From She”ll be apples (Australia) to the pits (USA)
This new collection brings together some 5, 000 contemporary slang expressions originating in all parts of the English-speaking world. It gives clear and concise definitions of each word, supplemented by examples of their use and information about where and when they came into being. This entertaining reference work will be of use to students of English at all levels and a source of fascination to word-lovers throughout the world.