1.Someone that you should not Groove with; that one person you know you shouldn't be talking to;
2. Someone that try's to be Rad but fails every Time; Anyone that starts a sentence with "My W.O.W. character is a ...";
Phone Rings and the Caller ID says CantGroover. You push ignore because that Chick is going to get you into trouble!
"I bet that CantGroover is Horny"