force-feed

To force a person or animal to ingest food, for example by stuffing food down the throat, or using a tube passed into the stomach.

They were ordered to force-feed the prisoners on hunger strike.

More broadly, also referring to forcing the drinking of a beverage or other liquid

Mr and Mrs Rakmil, are rocking him back and forth on the carpet while Mrs Brody Nina's mother is trying to forcefeed him with another beer bottle.

I finally poured water in a glass and shouted at him, "Keep your cool, man! You're more scared than the rest of us." And I force-fed him the water.

To force someone to take in information or accept an ideology.

The teachers at this school tend to force-feed their students information, rather than encourage critical thinking and debate.