Outside of wearing a fanny pack or being caught eating at Olive Garden, nothing screams "Look at me, I'm a winner" than having a personalized license plate on your car, especially when that plate warns others that you may be carrying an STD.
Check out this personalized tag that was recently spotted by an Ogle Mole in Norman:
Yeah, something tells me the owner didn't fully think that through. Either way, make sure you stay a good three seconds behind that car on the highway. You don't want to catch anything.