Pretentious or meaningless talk; the act of speaking nonsense or trying to fool people with empty words.
From 'flubdub' with the suffix '-ery' meaning practice, activity, or collective behavior. This suffix appears in words like 'trickery' and 'fakery', creating nouns describing the practice of an action.
Flubdubbery peaked in popularity during the era of Mark Twain and American frontier humor, when writers loved inventing ridiculous-sounding words for ridiculous behavior. It's nearly extinct now, but it deserves a comeback.
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