I'm still alive
I am NOT, by any stretch of the imagination, suggesting that this is OK for everyone...
but if you have not disturbed (opened/pierced, etc.) the packaging, and the product has defrosted - (counter or fridge - defrost is defrost...) I throw it back in the freezer if needs be.
I'm 71 - going on 72 - I have NEVER, nor have any of my brood, had food poisoning from my cooking. I have, however, had an extremely mild case from a restaurant!
So for me - this works! If you use your common sense, you will know when you can and when you can't. If you can't figure it out - throw it out... better to be safe than sorry. But I hate to waste!! food is expensive!
I have even done it with salmon. The package was bought frozen, shrink wrapped, individual portions. It was completely defrosted (but unopened) when the guests cancelled mid afternoon. I threw it back in the freezer. Next week the kids and I had it and it was delish!
You also have to consider what kind of meat you are talking about.. ground, steak, roasts. Whole chicken? chicken pieces? Does the chicken have skin/bones on? Beef, pork? Fish? Is it a really "fatty" piece of meat? (remembering it is the fat that goes rancid first) How long has it been out to defrost? Did you unwrap it?
I have air-dried roasts, on a rack (and yes, in my fridge) for 3 to 4 days! OMG - so tender!!! and considering the subject of the Thread...
to die for!