Automatic bids mean falling 5 spots isn't required.
They will drop below one loss Indiana. They will drop below Boise State who blew out the #20 team.
The only question is if they fall a third spot, to below Alabama. Georgia fell 6 spots last year when they were the undefeated defending national champion and lost in a one score game to Alabama in the SECCG.
Edit:
The official page for the AP Top 25 college football poll, a tradition since 1936. Keep up to date and view the latest ranking updates each week.
apnews.com
AP is out, Alabama is ahead of SMU. As I said earlier Alabama will be ahead in the BCS for what ever that is worth.