noun
once divorced; one-time divorcee
Jocular, colloquial term for a person who has been divorced once. Literally refers to having one '×' mark (バツ) struck from the family register, hence 'バツ１'. Often used self-deprecatingly or humorously.
See also: 戸籍
彼はバツ１だけど、また結婚したいらしい。
He's been divorced once, but apparently he wants to get married again.
バツ１の私が恋愛なんて、もう無理かな。
Maybe it's impossible for a once-divorced person like me to find love again.
From バツ (×, 'cross mark') + １ (one), referring to the practice of striking a name from the family register with an '×' upon divorce. The term is a colloquial coinage, likely from the late 20th century.