If you want to make something really gross to make people upchuck this is a nice method. You will need a frying pan, a quarter cup applesauce, a package of unflavored gelatin, a pinch or two of powdered cocoa, a package of instant oatmeal with apple chunks, carrot bits, chunk light tuna, and creamed corn.

There are a lot of ingredients but it worth it because looks very real.

Check out the video to learn how to do that. What about putting some fake vomit in some shoes? I wonder how that person would react…