When a woman/girl claims to be a virgin on the grounds that the only penetrative sex she's ever engaged in has been anal.
Jack: Dude, your girlfriend's a slut
John: No way, she was a virgin when we started dating
Jack: Yea, only cuz of the poop-hole loop-hole. Just ask Dave, Mike, Jamal, Terrence, Shaun, Shawn, Sean, and our biology teacher
The clause by which a female may circumvent the moral law which dictates that a female should not engage in sexual relations prior to marriage by participating in anal sexual relations in lieu of vaginal intercourse. Additionally, the female will conveniently avoid risk of pregnancy while simultaneously preserving her virginity.
He: No, we cannot have sex, we are not married!
She: It's okay...we can use the poop hole loop hole and you can do me in the butt!
He: Sweet!
