greenout

noun3

1. •
   (slang) A feeling of sickness as a result of consuming excessive amounts of cannabis.

   • It [The Cannabis Kitchen Cookbook] also offers constant reminders about dosages and prudent consumption, so that noobs don’t do a Maureen Dowd and abandon pot after a single greenout. — 2015
2. •
   The sensation caused by seeing plants again after a period in Antarctica.

   • Maybe a trip to the greenhouse will lessen my feeling of greenout when I go north? — 2008
3. •
   (informal) A green sign patch applied to a guide sign.

   • There's again the greenout for "West," but what would have been greened out underneath "Junction"? — 2012