1. To derail an online blog or forum thread that was started to incite others
2. To so utterly confuse an online "troll" or spammerthey give up
For every person who starts a sales/finance related thread, they're likely going to find it Turkey-Baconed within the first 10 posts and then it's off to the races.
The War Bonds Lighters World War Lighters thread has officially been turkey-baconed!