A “short squeeze” sounds innocuous enough...
The key phrase is "infinite squeeze" which is a condition where shorts are forced to buy at any price determined by owners,http://www.economist.com/displaystory.cfm?story_id=12523898&......this is the worst possible condition of a financial market, in which a class of investors can literally dictate prices without limit (IIRC, German authorities stepped in at some point to prevent catastrophe).