One who tries to be cool, but doesn't see just how uncool he really is... In fact it would be pretty easy to take what this person is doing / wearing and turn it into something cool with the right person involved.
If you wear an authentic jersey, but also wear the pants to match and tuck the shirt inside - you would be a cornball.
A "rental" car used by a dope dealer. When a drug user has no other form of payment they offer use of their car for a length of time to be determined by the quantity of dope they receive. A.K.A. Geeker Ride. Geeker of course referring to a junkie.
My baby moms got stopped in a g ride I gave her. Now the police looking for me.