貧 (Kanji for poverty)

Onyomi

BIN	He's BEEN poor so long, he'll borrow some Kool-aid from you and then come back to borrow water.

If you consider that one of the meanings of 分 is 'part', then you can say:
They're so poor, they only got part of a dollar.

まず＊しい

scanty, skimpy, meager.Mostly used about　amounts of money.
★★★☆☆

貧乏(びんぼう) な

poor ★★★★☆
貧 (poverty) + 乏 (shoddy) = 貧乏 (poor)

a broke motherfucker (can be used as a noun or adjective)