The term 'EVER' is a four-letter word meaning 'at any time, ' or 'on any occasion.' It is often used to emphasize the fact that something has happened or will happen at least once. The phrase 'even a single time' implies that something has happened or will happen at least once, even if it is only one time. This phrase is often used to emphasize the importance of something happening at least once, no matter how small or insignificant it may seem.