When two separate people believe they have received a separate/individual message from the one person, only to find the same message was sent to both.
A snapchat is sent to a group saying "Hey, how was your day". You reply with an individual comment while the original poster is required to put in no individual effort. You have been Douganed.
Dourane is a mystique creature. Gender confusing person, Dourane makes you gay the second you look at them. Swag through the roof, Dourane can do anything they want. They are talented, funny and friend with everybody except cops, fascists and homophobic dickheads.
Nobody knows how they can be everywhere all the time, at any hour of the day... Might be super powers? Might be because gays walk fast? Might be drugs? Who knows? The mystery makes it thrilling to be with them, and no matter what, their presence is reassuring and entertaining.