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stoozing

British  
/ ˈstuːzɪŋ /

noun

  1. informal  the practice of taking advantage of an introductory interest-free period offered by a credit-card company to borrow money for investment elsewhere, esp in a high-interest account

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012