Ha! Skullfucking is Serious Business
Here are some interesting links on skullfucking that you may find helpful:
Urban Dictionary on Skullfucking
Skullfucking.org - Not really useful, but lovely graphic
Jerk City’s comic on Skullfucking
Skullfucking Armageddon an album by Impiety
You’re welcome. Thanks to Doug for the link, you’re a gem.