taking an un-opened bottle of whine or champagne, then popping the cork off and imediately shoving the tip up the females ass as the fizz jets out of the bottle into the female. usually followed by putting the wine that drips out of the female into glasses and drinking it.
Robert: dude did you have your girlfriend over?
Danny: of coarse i gave her one hell of an australian wine fountain
Robert: nice bro me and my girl should try that