You might be...

If, at a fancy work banquet for a large trucking company (surrounded by your co-workers) you get excited because your name was called when they were drawing for the door prizes, and think you might have won the large flat screen TV, one of 2 kindle fires, digital camera, blue ray player, or various gift cards...

...and realize instead that you've won the ginormous flower arrangement from the entryway of the hotel, you might be a Stone.