bumper bummer
The unfortunate occasion in which you are left with the sticker of a losing candidate on the bumper of your car post-election, but are too depressed to remove it
Mike: Don't you think it's time to remove the McCain/Palin sticker, buddy? People are honking at you.
Tom: Can't do it, man. I'm feeling serious bumper bummer.
Tom: Can't do it, man. I'm feeling serious bumper bummer.