A lil sum sum - A little money, like when you’re broke and someone throws yo

A little money, like when you’re broke and someone throws you a bone.

I asked for a lil sum sum, and he gave me five bucks. Still not enough.

She said she’d send me a lil sum sum, but it took three days to arrive.

He called it a lil sum sum, but it was just a dollar from his pocket.