Definition: To scrounge, blag, or be unbelievably tight-arsed and be proud to tell people about it.
1. He blagged a very very expensive hotel in Paris on the weekend as part of his "business." The concierge told him after the first night of blaggery that he had only been booked in for one night. The PR person said he could stay in his room for the other night at a reduced rate, but he went on their internet and booked a 20 Euro a night hostel instead
2. He is planning his leaving date for Friday November 3rd, but he realised that if he left the Monday after, he would get paid for the weekend.