also: エックスオー
noun
XO (brandy); extra old
Refers specifically to the XO grade of brandy, indicating extended aging. Used as a noun in Japanese.
バーでＸＯをストレートで頼んだ。
I ordered an XO neat at the bar.
彼は誕生日に高級なＸＯをもらった。
He received a high-end XO for his birthday.
Search-only kana form without interpunct; not a standard written form.
From English 'XO', an abbreviation of 'extra old', a grade designation for brandy.