It is where you pop a girls cherry then she gives you a blowjob right afterwards
Bob: Bro i popped ashleys cherry then she gave me a bloodjob
Timmy: Bro your messed up thats nasty
usually preformed in the vampire world and in vampire media, a bloodjob involves a mortal girl or guy biting into a vampire through the skin, usually the arm or neck, and sucking the resulting gusher, resulting in heightened arousal of both parties. seen frequently in the HBO series True Blood.
Sookie gives a great bloodjob.
My girl wouldn't give me a bloodjob, so I drained her instead.