Susan Biddle Ross is a character on Seinfeld, played by Heidi Swedberg. Susan, an executive at NBC, first appeared in the season 4 episode  The Pitch , in which Jerry Seinfeld and George Costanza pitched the idea for their sitcom to Susan and her fellow executives.
The best solution is to remove the tank and drain it. You can also try and siphon out as much as you can and put STP Gas treatment or any other alcohol based de icer in. It will take several cans of this plus fresh gasoline. If water has reached your fuel filter this will have to be replaced also.
2. Try to relieve the pain by belching. Another way to pass gas, albeit from the opposite end, is by burping or belching. Although you don't make much impact on lower intestinal gas by belching, it can certainly get rid of excess gas in the stomach and upper intestinal tract.