its when breast milk or formula milk, specifically not dairy milk, gets caught in the neck rolls of a 3-6 month old baby and it becomes sticky and solid and then the baby smells sour. baby cheese
oh wow did you holdjessica's baby?
yeah, it smelled like baby cheese
Usually during Halloween, when you wear a clown costume and surprise your pumpkin chai latte ugg wearing girlfriend from behind with the penis drawn, she splashes his dick. The boiling pussy remains are otherwise known as pumpkin cheese.
Me: Doctor, what happened?
Doctor: Son, you have the worst case of pumpkincheese I’vve ever seen.