What a bunch of bunk

Meaning

A dismissal of something as complete nonsense or a lie. It is a softer, more folksy way of calling someone a liar or a foolish person.

Dismissive, skeptical

Used in a sentence

• They say the prices will go down next month? What a bunch of bunk.
• He claims he caught a fish that was ten feet long. What a bunch of bunk.
• The report is filled with outdated statistics. What a bunch of bunk.