hush something up

hush up

1. To be quiet. You kids need to hush up once we go into the church, OK?
2. To cause someone to be quiet. In this usage, a noun or pronoun can be used between "hush" and "up." The baby wouldn't stop crying until she was reunited with her favorite stuffed animal—that hushed her right up!
3. To keep sensitive information from being publicized. In this usage, a noun or pronoun can be used between "hush" and "up." They were accused of trying to hush up the scandal by firing anyone involved. A: "What are we going to do about that witness?" B: "Don't worry, we'll hush him up with some money."
4. slang To kill someone. In this usage, a noun or pronoun can be used between "hush" and "up." Ray hushed up the informant, just as the boss told him to.
See also: hush, up

hush something up

tv. to keep something a secret; to try to stop a rumor from spreading. We wanted to hush up the story, but there was no way to do it.
See also: hush, something, up