A person who goes on a simple hike but proceeds to wear a fanny pack, or fag bag, and claims that it is a "practical hiking gear satchel" and has unnecessary energy bars for the hike.
"Dude, the hike is only a mile long to the lighthouse, why bring the fag bag?"
"Hey, you can never be too prepared! I also have a compass and flashlight."
"You're such a fagbagger."
A human who enjoys having have sex with and allows vampires to drink their blood.
Gran asked what a fangbanger was and Sookie explained that it is a human who allows vampires to drink their blood and enjoys having sex with them, sometimes for money.
(characters in True Blood)