Equivalent to "show me the money". The act of "making it crinkle" is when you get paid, and it crinkles in the palm of your hand, or as you stuff it into your pocket.
Short form: Crinkle = Cash
You have my money, bitch? You better make that shit crinkle!
Tell me how much you need and make it crinkle!
Also could be used as a noun: Bitch better have my crinkle!