Synonyms for Baron Munchausen (same or very similar meaning)
WordNet sense 1 (German raconteur who told preposterous stories about his adventures as a soldier and hunter; his name is now associated with any telling of exaggerated stories or winning lies (1720-1797)):
munchausen, Munchhausen, Karl Friedrich Hieronymus von MunchhausenFrom the ODE community, based on WordNetadd/edit