Unusually caucasian. Skin is pasty or ghostly white. Not an albino nor a day-walker. i.e. a white person who is whiter than white, almost glowing white or so pale you will surely be burned extra crispy in the sun. Can also refer to a personality type.
1. OMG, look at that guys skin --- he is inner thigh white.
2. Only inner thigh white people listen to this kind of music.