And the winner is:

Kid Fucking Rock.
It's not just Ritchie himself, reprehensible though he may be. And it's not the song, abysmal though it is. It's what they represent together: The continual dumbing-down of America.
"Kid Rock" is the embodiment of a very detestable, yet growing trend. He represents that special brand of Bush-era dumb. The jubilant red-state celebration of the aggressively ignorant, trailer-dwelling, proudly and defiantly stereotypical collective anti-intellectual Jethro redneck fuck that's dragging this country into the sewer. There's no PRIDE inherent in being an uneducated, backwoods, moonshine-swilling waste of space. It's not "patriotic" or "American" to beat your wife, shoot stuff for the hell of it, and proudly wallow in your own idiocy. The American spirit has always said it's the most honorable path to strive for more, better, and greater heights of achievement. But thanks to Ritchie and others of his ilk, we have a whole subculture that reaches no higher than the bottom. That is perfectly happy to stand thigh-deep in racism, stupidity, and backward thinking. And for that, he deserves to have his scrotum worked like a heavy bag at a Bronx gym.
Go to hell, Bob. And take all of your Confederate-flag-wavin, hootin'-hollerin, greezed-pig-wrasslin, monster-truck-drivin', tarbacky-chawin', bible-thumpin', Jack-Daniels-chuggin', thinks-"Deliverance"-was-a-documentary loser crew with you. This country needs to outgrow you, and FAST.
You can leave Pam, though.
Oh, wait...She left you first.