Marijuana is a 'recreational' drug.
(..) Seriously? This guy - a junkie? - Have you met him? - John... You could search this flat all day, you wouldn't find anything you could call recreational. - John, you probably want to shut up now. - But come on... - No... - What? - You? (..)2010 TvShow: Sherlock Title: A Study in Pink Season: 1 Episode 1