wikz Share definition Flag A shortening of the form "wicked" used to describe something as being cool, interesting. Often used to show excitement for something. "She looks wikz tonight." "That sounds like a wikz plan." "I'm giving you £10," "Wikz!" wikz by Anthony JB February 10, 2007 0 0 Get merch Get the wikz mug. Buy Now — $32.95 See more merch