Grinch finger

How a white person's dreadlocks will appear after lack of proper care (i.e. Like one of the Grinch's fingers).

Also a derogatory name for a white person with unkempt dreads, usually associated with the New Age movement. Grinch fingers.

"That girl hasn't showered or anything for a month. Her dreads are all Grinch fingers now."
"I hate this camping spot. Those Grinch fingers next door have come over here several times to try to bum stuff."