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piss-poor

American  
[pis-poor] / ˈpɪsˈpʊər /

adjective

Slang: Vulgar.
  1. of extremely inferior or disappointing quality or rating.


piss-poor British  

adjective

  1. slang of a contemptibly low standard or quality; pathetic

"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

Etymology

Origin of piss-poor

First recorded in 1945–50