"Dry oatmeal" refers to oats that have not been cooked or mixed with liquid. It can also mean a situation that lacks excitement or enjoyment. Full definition
One - third cup of dry oatmeal contains 111 milligrams of phosphorus, which is approximately 16 percent of your daily phosphorus requirements. (healthyeating.sfgate.com)
To create these treats, place one cup of dry oatmeal in a bowl and mix it with a raw egg. (thesprucepets.com)