Poppycock!

Meaning

A polite and slightly old-fashioned way to call someone's statement complete nonsense. It is a classic way to express disbelief without using actual profanity.

Playful, curmudgeonly

Used in a sentence

• You think this little diet pill will make me lose ten pounds in an hour? Poppycock!
• He started talking about ghosts in the attic and I told him that was pure poppycock.
• Don't give me that poppycock about the dog eating your report.