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fastie

British  
/ ˈfɑːstɪ /

noun

  1. a deceitful act

  2. to play a sly trick

"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

Example Sentences

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Slow, slow, slow, slow, now fast, fast, fast, fast, fast, fastie, fastie, fast.

From Project Gutenberg

These so-called FASTie mice had normal overall levels of NOS but were deficient in endothelium-attached NOS.

From Scientific American

FASTie mice had "leaky" blood vessels and impaired angiogenesis, meaning they were less able to restore blood flow after injury to an artery.

From Scientific American