An intense moment of joy brought about from something related to World of Warcraft, such as discovering brand new legendary items and new bosses in future game patches.
Wow... k... no. Can be used as an exclamation or conjugated into verb form. Expresses frustration of a person (or persons) that did something stupid and now you never want to talk to them again.
Friend: "... and then she threw away the bag of chips because she thought she would get AIDS from it."
Me: "Wow... k... no."
We wowkaynoed her because she showed a complete ignorance on how HIV is spread.