Or, douché. Similar to touché. French, it's what you say to a douche - - after they attempt to smack you down with douchey repartee. By replying in this way, you acknowledge their intelligence, while reminding them of their douchiness.
Bruce: "Your dad is so gay."
Stephen: "It takes one to know one."
Bruce: "Douchay."
1.Fancy word for Douche. Usually said with a fancy, sophisticated English accent.
2.Something that Matt will name his dog because it's an awesome name.
3.Asshole
1. "You don't say. I think this book is rather dooshay"
2. "Yea i got a new dog. I'm totally naming him/her Dooshay"
3. "What a fucking dooshay"
"Yea man that guys an assdigger"
"Fuck him."