dated An organized event in which a group of people gather to smoke marijuana openly in order to protest laws restricting its sale and use. There used to be an annual smoke-in in this park that brought in people from all over the state, but when they legalized pot last year, the organizers turned into it into a celebratory festival instead.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a young people’s public gathering of the 1960s where marijuana was smoked in open defiance of the law. My uncle was at a smoke-in. He says the reporters were getting kids to pose for shots.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.