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An odour which elicits a feeling of gloom or depression.
As I sat in the hospital waiting room for my colonoscopy, the smellancholy was overwhelming.
by DClark22 September 23, 2010
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The great sadness one feels when a food that is in the fridge that smelled great a couple of days ago when it has turned to a not so pleasant smell before you have the chance eat the leftover.

Also applies to food that smelled great at a restaurant, but has now overwhelmed everything and knocks you down every time you open the fridge...
After the wonderful Italian meal on Friday night, she had serious smellancholy the next day when the garlic emanating from the fridge knocked her over.
by JohnGo April 10, 2014
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