|1.||keep it on the hush|
To remain secretive regarding a certain topic.
Yo baby I know your man will flip if he found out about us having sex when he's gone so... "keep it on the hush"
|2.||keep it on the hush|
To keep quite on something. Has the exact same meaning and is just another way of saying down low.
"You better keep it on the hush about that shit."