針ほどのことを棒ほどに言う
Meanings
1
exaggeration; making a mountain out of a molehill
Idiomatic expression literally meaning 'to say something as small as a needle as if it were as big as a pole'. Used to describe gross exaggeration or blowing things out of proportion.
See also: 針小棒大
His stories always exaggerate a tiny thing into something huge, so I can't trust them.
Stop making a mountain out of a molehill and just tell me the facts.