page_title: Glossary of cannabis terms
section_title: J
hierarchical_section_title: Glossary of cannabis terms / J
caption_attribution_description: Yoko Ono and John Lennon at John Sinclair Freedom Rally at Crisler Arena in Ann Arbor, Michigan
context_page_description: Terms related to cannabis include:
context_section_description: Jack Herer
  1.  Cannabis rights pioneer Jack Herer (1939–2010) who ran for U.S. President in 1988 and 1992, was author of The Emperor Wears No Clothes: Hemp & The Marijuana Conspiracy, first published in 1985.
  2.  A classic trade name for several medical cannabis strains.
  jagged
  Jazz-era term for being under the influence of alcohol, cannabis, or other drugs.
  jay
  Slang name for a joint.
  John Sinclair Freedom Rally
  1971 Ann Arbor, Michigan, rally and music festival protesting the 1969 arrest and imprisonment of poet John Sinclair. Among others, John Lennon, Bob Seger, and Stevie Wonder performed for the event. Sentenced to ten years in jail for two joints, Sinclair had been imprisoned for two years when he was released, three days after the rally.
  joint
  A cannabis cigarette.
  jury nullification
  The power of a trial jury to reach a not guilty verdict, regardless of evidence and judge's instructions, because of a disagreement with the law, including the belief that a law is unconstitutional or inhumane, or disapproval of the punishment.
  Just Say No
  1980s-era anti-cannabis advertising campaign orchestrated by First Lady Nancy Reagan as part of the U.S. War on Drugs.
caption: Yoko Ono and John Lennon at John Sinclair Freedom Rally
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