2. Used to say, "I want to have sex with you," to someone directly without them comprehending what you have said.
The word was developed within the doors of a restaurant when a Chinese woman approached the cook who made her steak. With a smile on her face, she told him, "Wikitan! Wikitan!" The search for a meaning was failure, and so it was deemed "I want to have sex with you" after several of the restaurant's experts discussed.