First scents that come to mind when reading the headline:
Doritos.
Mountain Dew.
Old fermented yeast at bottom of forgotten beer bottles.
The floor as a hamper for clothes dirty for months.
A NEET during hygiene-free week.
Take-out left sitting out for more than a week.
All of the above.
Nice.
3 month old oily pizza box cardboard smell Christmas sampler.
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