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spliff

American  
[splif] / splɪf /

noun

Slang.
  1. a marijuana cigarette, especially a large or very potent one.


spliff British  
/ splɪf /

noun

  1. cannabis, used as a drug

  2. a cannabis cigarette

"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 spliff

1935–40; originally Jamaican English; of uncertain origin