- Any kind of body odor that suggests lack of showering.
- Any kind of cologne/perfume that also suggests lack of showering.
- Strong, sickly sweet smells give me a headache, and the smell of hair dye that they try to make smell good by putting "extracts" in it makes me feel like I've been smoking something by the time I get done dying my hair.

On the other hand, the smell of gasoline is godly.