I force the gag back into his mouth before he can answer.

Do not force anything, including your fingers, into the person's mouth.

They had kept him under long enough to force a gag into his mouth and ensure that he did not cry out.

It's too early to be precise, but it looks as if something was forced into his mouth.

Like trying to choke a lion by forcing your head into its mouth.

The girl said nothing, and Malcolm forced some more words into his mouth, grabbing the first ones that came to hand.

But the midwife forced some of the drink into her mouth.

She was not surprised to feel a strip of leather being forced into her mouth.

He forces Dad's upper teeth into his mouth and can't get them out again.

Six days only, though the two males kept forcing food into her mouth.