slang terms and their equivalents in other languages. The opening of this dictionary introduces a wide range of slang words beginning with "F" and provides detailed definitions, etymologies, and historical references. For instance, it features words like "flabbergast," which means to astound and has been cited in various literary sources since the 18th century. It also highlights unique terms such as "flimsies" referring to banknotes and "flash," which encompasses the speech and behavior of thieves. This compilation not only educates readers about the quirky and often humorous aspects of slang but also preserves the linguistic history of society's undercurrents. (This is an automatically generated summary.)