頭あたまハネ

noun

atamahane; head bump rule

A mahjong house rule: when multiple players declare a win on the same discard, the player closest in turn order to the discarder wins. The term literally means 'head jump' or 'head bump', reflecting the idea of jumping ahead of others.

• この雀じゃん荘そうでは頭あたまハネを採さい用ようしている。

  This mahjong parlor uses the atamahane rule.

• 頭あたまハネがあるから、上家かみちゃがロンを宣せん言げんしたら自じ分ぶんはアガれない。

  Because of the head bump rule, if the player before me declares ron, I can't win.