Just thought of something that happened to someone i know. he was at the bar after a ring fight and he knew had had taken a few blows around the eyes. well here is a bit of advise if you never heard it before, after a fight don't sneeze or blow your nose......he had torn the muscles around the eye, and out it came. he pushed it back in and thought maybe he should have some one at the ER look at that.
that was the story anyway i wasnt there so i cant say for sure if it was true but this guy is not the type to make something up so i believe it.
I can say for certain that it's utter BS.
Now, if you have the right sort of facial fracture, it IS possible for air to get behind the eye and cause a certain degree of proptosis or "bulging" of the eye.
But no, it did not come out. And no, he could not "push it back in".