The amount of seconds after any minute that have passed when you end a cell call using daytime minutes and realize that roger's just charged you for a whole extra minute for that incredibly short span of time. This is usually followed by a very short depression, including reflecting on what you could have done in order to shorten your conversation by that amount of time.
Jim looked at his phone after calling bill. His call time was 3:02. He promptly palmed himself in the forehead, realizing he was within one-to-ten.