1 definition by Carter Ray Hansen

When a person puts sun screen on their neck but forgets about around the neck of the shirt; this causes a bright red sun burn (about 1 centimeter thick)that is in a giant circle around their neck. It looks like the person is wearing a bright red dog collar.
Hey Jim! Look over there at that guy's dog collar!
by Carter Ray Hansen July 10, 2007
Get the dog collar mug.