lay it on the line and put it on the line

lay it on the line and put it on the line Fig. to make something very clear; to be very definite about something.
- E.g. I am going to lay it on the line and you had better listen to me. If you eat any of these mushrooms, you will die.
- E.g. I’ve said it before, but this time I’m going to put it on the line. Don’t eat the mushrooms!