People who use it are being racist towards Albanians because most of them are Muslims or some shit and not really fitting into the Christan and white majority of Europe. They use it for Albanians should be careful in Europe cuz they Muslim or some shit. It originally comes from a video.
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-communism Albania, specifically in the Albanian city of Berat.