Packet mix
A way to say something is a total mess and doesn't work. Like it's been through a blender and then thrown at a wall.
My math test was a packet mix. I didn't study and the problems looked like hieroglyphs.
The pizza was a packet mix. It had extra cheese, no sauce, and a sprinkle of mystery.
My mom's hair was a packet mix. She used three different shampoos and a broom.