zakneblować in English:

They gagged him with his own silk tie.

The hostages were bound and gagged

That standup comedian had a few good gags.

Just the smell of liver cooking makes me gag. I tried my best to eat it but the meat was so fatty I gagged on it.

Service chiefs gagged: two quit

The government is trying to gag the press over the issue.

He was talking too much, so I gagged him.