"The speaker is bargo. A Dictionary of the Slang of Lowland Boys" is a unique book that explores the language and slang of young people who live in low-lying lands. Authors Köster Henke and V. L. G. in personal research collected and interpreted a wide range of slang expressions used in this specific speech. The book not only offers the reader to open new horizons of language possibilities, but also allows a better understanding of the culture and lifestyle of these young people. "The speaker is bargo. The dictionary of jargon of boys from the lowlands" is a textbook that will become an integral part of the collection for those interested in language and sociolinguistics.