poppycock

Borrowed from Dutch pappekak, from Middle Dutch pappe (“soft food”) + kak (“dung, excrement”).

• (Received Pronunciation) IPA^(key): /ˈpɒpikɒk/
• (General American) IPA^(key): /ˈpɑpiˌkɑk/

• Audio (US):

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poppycock (usually uncountable, plural poppycocks)

1. (colloquial) foolish talk; nonsense.

   That rumor is nothing but sheer poppycock.

   He dismissed the conspiracy theory as poppycock.

   Don’t talk such poppycock—you know it’s not true.

• balderdash; see also Thesaurus:nonsense