voodoo-ed
xbox 360 term used for when you help someone get an achievement and when it comes time for you to get said achievement they disappear.
"Where is Mr.IRL?"
"He must have gotten his achievement and didnt feel like sticking around to help us out. He Voodoo-ed us"
"He must have gotten his achievement and didnt feel like sticking around to help us out. He Voodoo-ed us"