na-adjective, noun
Colloquial slang formed by inverting the syllables of 貧乏 (びんぼう). Used playfully or self-deprecatingly to describe being broke or poor.
今月はもうボンビーで、外食できない。
I'm already broke this month and can't eat out.
学生時代はずっとボンビーだった。
I was always poor during my student days.