Looking for Idioms that Means "Nonsense" or "Irrelavent"

Balderdash

Hogwash

Poppycock (This was recently a point of humor in a law show where a ditzy judge regularly called it 'cockypoop'.)

Thank you!

Hi.

I think the words that Philip said are categorized under the heading of slang not idiom.

As for the idiom I can think of Load of bullshit which should be used with proper discretion.

Regards

Hi

There are many rude ways of saying it! In the last year or so, I think..

- You're being totally random!

Regards, Dave

Are the 3 words Philip suggested colloquial? Do they normally appear in written texts?

Balderdash

Hogwash

Poppycock

drivel, babble, gibberish, silliness, rigmarole, inanity, imbecility, absurdity.