What is bout time meaning?

"About time" is a phrase that is nearly identical in meaning to "it's about time." It is often used to express relief or an attitude of impatience that something has finally happened or been done. This phrase expresses that something should have happened earlier but did not, and it is finally good that it has happened now. The phrase is commonly used in both informal and formal situations, and it can be used to refer to any type of situation, such as waiting for an event to occur, waiting for someone to arrive, or waiting for a decision to be made. It is also used in reference to the passage of time, such as when one has been waiting a long time for something to happen.