Found this on another board:
Pack*er Noun - 1) A person prone to giving up chunks of yardage at crucial moments during playoff games. The Eagles convert the 4th and 26 to keep the drive alive! 2) An NFL team who's followers piss in sinks, reek of urine and can be found in pools of vomit. "After the Packer game I gots lucky, I was able to find my way back to the trailor park by following the vomit trail." 3) Describing ancient history and/or nostalgia. "Sure most of the trophies are so old they're made from stone and we only beat 4 teams to get them, it's still Packer lore" 4) An infestation of vermin. "We had to switch hotels, the stench of Packers was overwhelming." 5) A false belief in divine intervention. "When I came to in that ditch, I realized that Favre's dad was my designated driver and that no harm could come to a Packer."