Having anything and everything to do with Japan and their idosyncracies. Most commonly associated with the excessive use of over-popular anime cartoon stylization of just about everything (spiked blue hair, tiny closed mouth / massive open mouth, and almond eyes).
May also refer to the marketing techniques used in Japan which fail miserably in the United States (a la Nintendo).
One totally awxome dude who can teleport and do awxome ninja moves and fly and stuff. He can also bake cookies and eat yummy chinese food. Did I mention he can fly?
Wow that guy like totally put a hurtin on my vans new phat paint job. I bet it was japanlover. Wow. Did you know he can fly?