alien franchise - What was Ash trying to do with the magazine?

In the movie Alien, Ash

turns out to be an android. At one point, he freaks out, rolls up a magazine, and stuffs it into Ripley's mouth.

What in the world was he trying to do?

Answer

Ash is trying to kill Ripley, but the way he's doing it suggests some sort of sexual overtone that is seen in the movie Alien.

The movie Alien has a lot of sexual overtones.