Arizona Republic: Arizona Repulsive or Arizona Repugnant
Arizona Cardinals: Arizona Same Old Cardinals (until this year!)
Sun City: God's Waiting Room
Chicago Cubs: Chicago Flubs, or Completely Useless By September
Purdue University: Purdon't
Florida State University: Free Shoes University
Notre Dame University: Notre Dumb
Green Bay Packers: I can't say it's alternate name on a family message board.

Minnesota Vikings: Meenesoota Viqueens
Detroit Lions: Detoilet Cryins
Chicago Bears: Da Bears!!!
Bonneville International: TMISU (See the Phoenix board for more details)
Sandusky Radio: Gumpdusky (Again, see the Phoenix board)
CBS: See BS
ESPN: Eastern Seaboard Partisan Network