cord thief
One who "mistakenly" takes USB and power cords from another person because they have misplaced their own.
Lanny - "Hey Dave, can I use your USB cord for your portable scanner?"
Dave - "Sure Lanny, but I want it back because I've heard that you are a cord thief."
Lanny - "You're a douche bag."
Dave - "Sure Lanny, but I want it back because I've heard that you are a cord thief."
Lanny - "You're a douche bag."