40 foods to gunge the girl in a two part video. Our messy fun started with Eggs. Why? Well eggs are slimy, they feel great when they drip down your hair, and the egg yolks plop! Rubbing them in Ali's hair caused the yolks to split and run down as a yellow sticky mess. These were also kept in our fridge, pre-cracked and were freezing cold. That initial shock was 'cool'.