be on the hush

be on the hush

To be in a state of secrecy or minimal public knowledge; to be known only by a select few people. I need to tell you some important news, but it has to be on the hush for a while. This is on the hush, but I just found out John and Tracey are getting married soon!
See also: hush, on
Farlex Dictionary of Idioms.
See also:
  • be on the hush-hush
  • hush
  • on the hush
  • on the hush-hush
  • on the DL
  • on the down low
  • hush-hush
  • on the low
  • keep (something) on the hush
  • keep (something) on the hush-hush