What Smell Do You Think is Horrible?

Like usual, after I get ready in the mornings I head downstairs to eat breakfast. As I stepped out of my room this time, though, a familiar -- but horrible -- smell greeted me:

Burnt popcorn!

At some point while I was sleeping, the kids had made popcorn, and something has gone wrong!

At least they were smart enough to take the burnt bag of popcorn out to the Dumpster. That's probably because they thought they were going to get in trouble!

Now that smell is stuck in my nose! All I can smell is burnt popcorn, and when I went to make my oatmeal in the microwave my oatmeal smelled like burnt popcorn! Ugh!

What smell do you think is horrible?