The origin of this famous expression is associated with the time of Troubles. In 1612 in Moscow came the militia of Minin and Pozharsky liberated capital from the Polish invaders. After a fierce battle, the enemy ran, throwing the guns and wagons. Panic retreat ended only in city Mozhaysk. Soon after Hetman Chodkiewicz with his army went home. Then came the saying "drive for Moji" is to defeat the enemy, forcing him to flee in.
In a figurative sense it is used in our days. So, for example, be expressed as a scientist, winning opponent in scientific dispute.