Seriously - this turned into the funniest fucking thread I have ever seen. All from figernails in the anus of another member. Sweet fucking jebus, I love how twisted you guys are.
You have pinworms. Congrats. What are you, like 5 years old?
OR
Your girlfriend fingered your ass too vigorously. Next time use this: [ame=http://www.amazon.com/Aneros-Helix-Prostate-Stimulator/dp/B001AQNSFW]Amazon.com: Aneros Helix Prostate Stimulator: Health & Personal Care[/ame]