The asshole of a person. Commonly referred to as backpussy.
Jeff asked his girlfriend if she would mind if he stuck it in her Backgina.
5π 4π
"That kid was such a douche, when he bent over, I rammed my knee cap up his backgina"
5π 5π
the rolls of skin that are formed when one pushes the shoulder blades together
dude, you've got a backgina
Haha im fingering your backgina
5π 4π
Backgina- Making a vagina by using your back muscles. By straightening your arms and moving them back to form a βJesusβ on the cross shape, you turn your upper back into a vagina.
βHey Dave, did you see Rose stretching the other day? She did a Jesus pose whilst warming up and made a wicked backginaβ