Saltdaddy is the complete opposite of a sugardaddy, one who tries, but is broke and fronting.

“盐爹”是“糖爹”的反义词，“盐爹”也想成为“糖爹”，但是无奈腰包太瘪。

Example: 

I said I wanted a new comforter set from Macy's not the goodwill....he is such a saltdaddy!

我说过我想要一套从梅西百货买的新床上用品，不是祝愿……他可真是个“盐爹”！