to understand what someone is trying to tell you, although they do not say it directly Next time he calls, tell him you're busy for the next three months - he'll get the message.
to understand what someone is trying to tell you even if they are not expressing themselves directly Next time he calls, tell him you're busy for the next three months - he'll soon get the message.Okay, I get the message - you want to be alone.
Also, get the picture. Understand or infer the real import or substance of something. For example, He gestured to the waiter, who got the message and brought the bill, or Kate got the picture and decided to keep her mouth shut about the error. [Mid-1900s] Also see get it.