He squeezed into/through the 'hatch' and crawled below deck.
They 'hatched' a plot to overthrow the government.
a whiskey that goes 'down the hatch' smoothly
(..) It seems to have life. Organic life. - You there, Ripley? - I'm right here. - Okay, Ripley, I'm at the inner lock hatch now. - Right. - Hey, Ripley. We're clean. Let us in. - Right here. - What happened to Kane? - Something has attached itself to him. - We have to get him to the infirmary right away. - What kind of thing? - I need a clear definition. - An organism. Open the hatch. Wait a minute. If we let it in, the ship could be infected. You know the quarantine procedure... hours for decontamination. He could die in hours. (..)1979 Alien