ハンドルキーパー

noun

designated driver

Wasei-eigo from 'handle keeper'; refers to a person who abstains from alcohol at a social event to drive others home safely.

wasei-eigo (Japanese-coined English), from handle keeper

• 今こん夜やは私わたしがハンドルキーパーだから、お酒さけは飲のまないよ。

  I'm the designated driver tonight, so I won't drink.

• 忘ぼう年ねん会かいでは毎まい回かいハンドルキーパーを決きめている。

  We always choose a designated driver for the year-end party.