Most disgusting thing you've ever eaten

Left-over pizza! UGH! ;)
What? Maybe if you grew up in an Italian pizzeria...
I have forgotten a few things, but I do remember throwing up a happy meal when I was 4. Yurrch. Then there was the time my mom tried to force me to eat broccoli. My throat closed up and I couldn't swallow, but she wouldn't let me spit it out. Eventually I threw up.
Snake soup. Nasty!