On thanks giving we had 18 people over, only a few beer drinkers in the bunch. One asked to try my homebrew, so I pull him a pint of my octoberfest, throw the picnic tap back in the chest freezer and close the lid. I come back a few minutes later to pour me one and a hear an odd noise coming from the chest freezer. I open the lid and see that the lid had been holding the picnic tap open and I had about 5 inches of octoberfest foam in the bottom of my freezer. Im guessing I lost about 1.5 gallons.
Good thing I had stocked up on paper towels. I threw 4 roll in the bottom and shut the lid, when everone left I went down and most of it had been sucked up by the paper towel.
The only upside to the the whole thing is now I have an empty keg... and 2 weeks off at christmas... Brew Time!