What does ‘pushover’ and......

What does 'pushover' and 'push over' mean? When you say that someone is a 'pushover' what you mean is that the individual can be easily influenced or won over. He can be easily got around. For example, *   Getting money from Bala is very easy. He is such a pushover. *   My school principal, Amritavalli, is no pushover. *   Many people thought the West Indies would be a pushover. But they managed to defeat us in the series. What does 'push over' mean? When you push someone over, you knock him down. For example, *   The students were in such a hurry to get out that they nearly pushed the teacher over. *   The thief pushed the tables over and escaped.