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Posted by on Apr 20, 2010 in Medical history, Toxicology

Yeah Like, But Dude, Where Does “420” Come From? I Mean, Like, What’s Its Derivation, Man? The Word, Man, the Word, or, I Mean, Like, the Numbers, Man

Yeah Like, But Dude, Where Does “420” Come From? I Mean, Like, What’s Its Derivation, Man? The Word, Man, the Word, or, I Mean, Like, the Numbers, Man

Marijuana_DOJ.jpg

A lot more obscure than the “seven-fourteen” slang for Quaalude, “420,” as a code for Mary Jane, is exhaustively mined by Ryan Grim of the HuffPo. (And God help me, I’m linking to the HuffPo).

HT: KPB, my (what else) college roommate.

Photo of growing marijuana plant from the Department of Justice.

bmartin (1082 Posts)

A native East Tennessean, Barbara Martin is a formerly practicing, board-certified neurologist who received her BS (psychology, summa cum laude) and MD from Duke University before completing her postgraduate training (internship, residency, fellowship) at the Hospital of the University of Pennsylvania in Philadelphia. She has worked in academia, private practice, medical publishing, drug market research, and continuing medical education (CME). For the last 3 years, she has worked in a freelance capacity as a medical writer, analyst, and consultant. Follow Dr. Barbara Martin on and Twitter.