The red line you obtain around your wrist from the strap of a Wiimote. Lots of playing involved to obtain, or just a tight strap. Similar to having a mark from wearing a watch too long.
Friend 1: Why do you have a red line around your wrist?

Friend 2: Dude, I was playing Super Mario Galaxy all night and I got some serious Wii Wrist!
by Gregg Mirth February 14, 2009
Get the Wii Wrist mug.