You posted your most recent questions while I was posting.
If your snake is overfed, it will become obese. Obesity is not any healthier in snakes than it is in humans. It is not a good idea. In extreme examples, it also looks gross, just as it does in extremely obese humans.
A human can easily eat an ice cube with no issues. The same is not true for a snake. For one thing, an ice cube is only a tiny percentage of the human's body weight. But a meal for a snake is often 10% or so of their body weight. That's pretty significant. Also, since snakes are ectothermic (they don't make their own heat, they take heat from the environment), getting cold is much more serious for a snake than a human.
Worse case scenario if you feed a not fully thawed food item is that the snake would suffer frostbite-like damage to its stomach and other internal organs, causing them to stop functioning properly and it would die. A partially thawed item might not be fatal, but why risk it? Always make sure all food items are thoroughly thawed.
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