When you are lazy and you have a big hunk of cheese then it rots and rots and get pushed to the back of the fridge, where is pulverized and mashed into a fine smoothie of rotten cheese or Cheese Milk
Kid: Dad wheres the cheese you bought a year ago.

Dad: Im sorry son, It turned into cheese milk and ruined the fridge
by hudchizons November 14, 2015
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When someones attitude is a little too cheesy.
Ron stop being a cheese milk right now.
by whenyoupoop October 15, 2019
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How do you not know what this is?
Bruh, how do you not know what cheese milk is? Are you stupid or something?
by Jerald the Horse March 23, 2021
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