a few suggestions:
"just before you put the [food] in your mouth, you find it has mold on it".
"the [food] slipped from your hand, and has been on ground for more then 5 seconds".
"ants crawled on your [food] and ate it!".
"the [food] tastes so bad, you had to spit it out".
"the [food] crubles in your hand!", if drink: "the [drink] sprays on you as you open it!"
dont got anymore
