見みる目め嗅かぐ鼻はな

Meanings

1

Yama's pole with a human head on top (able to discern good and evil of the dead)

Buddhist mythological reference: the pole held by King Yama (閻魔) that can see and smell the deeds of the deceased. Rare, specialized term.

See also: 閻魔

閻えん魔ま大だい王おうの持もつ「見みる目め嗅かぐ鼻はな」は、死し者しゃの善ぜん悪あくを見み抜ぬくという。
It is said that King Yama's 'seeing eye, smelling nose' pole discerns the good and evil of the dead.

2

fuss-pot; complaining about things in the public eye

Figurative use: a person who is overly critical or nosy, as if they have Yama's discerning pole. Rare colloquial expression.

彼かれはまるで見みる目め嗅かぐ鼻はなのように、人ひとのあら探さがしばかりしている。
He's like a 'seeing eye, smelling nose,' always finding fault with others.