We've bumped heads on occasion, although I don't recollect it having anything to do with being immersed in the throes of an orgasm. More likely, it was down to clumsiness on both our parts.
We did have a near injury during orgasm once. She wanted to see me come on her belly, and so I withdrew at the critical momement, she reached down, gave my shaft the necessary jerk . . . and I shot her in the left eye, and up the left nostril.
A tissue and some Optrex minimised any risk of permanent injury.
But what a shot!