What is Kyle Xy?
1.
A creature that is found in the woods without a belly button. The normal features of one are black hair and blue eyes, along with a "What... am I?" attitude, but not necessarily.
Dude, where's your belly button? Are you a Kyle XY?
See
2.
A strange person who tends to talk in a monotone voice and stare dumbly at things and people. He acts like a lobotomy patient. He has clearly dyed black hair, blue colored contacts, and no belly button. His girlfriend always looks suicidal and talks in short sentences.
Amanda (kyle's GF) : kyle. where should i put the suicide note? *sobs*
Kyle XY : Oh. No. Do not do that. *blank stare*
See