The final phase of the graboid lifecycle. Just like shriekers, they hunt using heat sensors on their head. They are capable of flying by mixing a chemical compound inside their bodies and igniting it out their ass to achieve blast off.
The Albanian Ass-Blaster is a reference to the niche sexual act of inserting a cork into one's partner's ass, let the pressure build up, then sit under said partner and take the cork out with your mouth. It was popularised during post-communismAlbania, specifically in the Albanian city of Berat.
"Dude, this German chick loves the Albanian Ass-Blaster, you should totally try it sometime."