noun
bottle keep; keep bottle
A system in Japanese bars where a customer buys a bottle of spirits, labels it with their name, and the bar stores it for them to drink over multiple visits. Wasei-eigo from 'keep bottle'; the reverse form ボトルキープ is also used.
wasei-eigo (Japanese-coined English), from keep bottle
See also: ボトルキープ
この店ではキープボトルができるので、よく利用しています。
This bar offers a bottle keep service, so I come here often.
キープボトルに名前を書いてもらえますか。
Could you write my name on the keep bottle?