put a lid on

blow the lid off

To uncover (a secret or scandal).

call a lid

To inform the press that no further news will be released from a governmental body that day.

flip one's lid

To become explosively angry, to lose one's temper.

keep a lid on

To keep something secret.

not to put too fine a point on it

Used to apologize for a possibly impolite statement one is making; to put it bluntly; to express it in plain terms.

put a band-aid on a bullet wound

To inadequately treat a serious situation.

put a blanket over

Make (something) seem less serious.

put a bug in someone's ear

To make a small suggestion or give a hint that causes the listener to act.