👉 Duo fumes refer to a phenomenon where two distinct, often conflicting, scents or odors come into contact simultaneously, creating an unpleasant or overwhelming experience for the senses. This can occur when different fragrances are applied to the same surface or when two people wearing different perfumes or colognes meet, causing their body odors and personal scents to clash. The result is a disorienting and often irritating combination that can be difficult to shake, leading to feelings of discomfort or even nausea. This effect is particularly noticeable in enclosed spaces or when individuals are in close proximity, making it a common issue in perfumery, hospitality, and social settings.