xactly Share definition Flag It means exactly.. without the e! A far cooler way of saying it. When speaking it aloud, it's pronounced "zack-lee" Mark: And that is why he's a faggot. Bill: Xactly. xactly by Kempo November 18, 2007 0 0 Get merch Get the xactly mug. Buy Now — $32.95 See more merch