also: かしらをたてにふる
expression, godan verb (-ru)
nod in agreement; say yes by nodding
Literally 'shake one's head vertically'; used when someone nods to show agreement or acceptance.
彼は黙って頭を縦に振った。
He silently nodded in agreement.
上司の提案に、全員が頭を縦に振
Everyone nodded in agreement to the boss's proposal.