Here's a breakdown:
* Amphigourious: This word doesn't actually exist, but it sounds similar to "ambiguous" and "ridiculous," suggesting something unclear and nonsensical.
* Stultiloquential: This is also a made-up word, with "stultiloquy" meaning "foolish talk." The suffix "-ential" adds a sense of something related to or causing foolishness.
* Fiddle-faddle: This is an actual word, meaning "nonsense" or "trivial matters."
Therefore, "amphigourious stultiloquential fiddle-faddle" is a humorous way of expressing utter nonsense or gibberish. It's a whimsical and playful phrase that emphasizes the absurd and the ridiculous.
You might use this phrase to:
* Humorously dismiss something as nonsense.
* Point out the absurdity of a situation.
* Create a playful and nonsensical atmosphere.