A bribe.
The orifice in the bilge of a cask through which it is filled; bunghole.
The cecum or anus, especially of a slaughter animal.
A stopper, alternative to a cork, often made of rubber, used to prevent fluid passing through the neck of a bottle, vat, a hole in a vessel etc.
To plug, as with a bung.
To put or throw something without care; to chuck.
To pass a bribe.
To batter, bruise; to cause to bulge or swell.
Broken, not in working order.
Antonym: payment