首くびを横よこに振ふる

expression, godan verb (-ru)

shake one's head; disagree; refuse; turn down

Physical gesture of shaking the head to indicate disagreement, refusal, or a negative answer. Often used in contexts of declining requests or expressing a negative opinion.

See also: 首を縦に振る

• 彼かれは私わたしの提てい案あんに首くびを横よこに振ふった。

  He shook his head at my suggestion.

• 頼たのみごとをしたら、彼かの女じょは首くびを横よこに振ふって断ことわった。

  When I asked her a favor, she shook her head and refused.