puffhead

From puff (“cannabis”) +‎ -head.

puffhead (plural puffheads)

1. (slang, derogatory, chiefly UK) A person who smokes cannabis regularly.

   Synonyms: pothead, stoner, weedhead

   • 2009, Kimberley Chambers, Born Evil, London: HarperCollins Publishers, published 2017, →ISBN, pages 171–172:

     Johnny Archibald was a pisshead, a puffhead, and one of life’s losers. In fact, he was the ideal person to help Billy return to his old ways.

• “puffhead n.” under “puff n.”, in Green’s Dictionary of Slang, Jonathon Green, 2016–present