rogue spear Share definition Flag noun; a penis of size dangling about wildly from it's owner's groin. see also SPEARATE in a locker room, while changing with other guys: "dude, put that rogue spear away before it spearates someone" rogue spear by ike August 17, 2003 0 0 Get merch Get the rogue spear mug. Buy Now — $32.95 See more merch