He seems pretty happy about his achievement. Try doing the same thing again except next time stick your cock in her ass first. When she comes up to blow you she won't gag, she'll just puke. It's called "ass 2 mouth". I invented it.
The first thing that came to mind was the chest burster scene from Alien. The second thing that came to mind was the giant worm-like monsters from Tremors. You see where I'm going with this? Put those two together and you have what this woman's asshole looks like. Swear to fuck I saw some teeth.
This is a repost, except it's twice as long and much better quality. I got a dozen emails from people wanting to see the whole thing, so here it is. Fap away.