To withdraw more money from an account than there is credit; to make an overdraft
To use a device for shooting arrows shorter than the draw of the bow.
To draw over the top of existing content.
The process by which, during the rendering of a three-dimensional scene, a pixel is replaced by one that is closer to the viewpoint, as determined by their Z coordinates.
To agree to sell more of something than one can supply.
To praise something to excess.
To be too eager in attempting to sell something.