To smoke weed inside a closed environment, such as a car with the windows rolled up. Inhaling the second-hand smoke increases the effect.
by Savvy Sin January 02, 2008

by Mac January 15, 2005

by bearsfan23 August 05, 2010

Similar to gaslighting. It happens when someone tries to make another person feel guilty for their reported negative impact on the environment.
Bailey: "You know driving here instead of walking is really bad for the environment."
Fred: "I live 43 miles away! Stop greenhousing me!!!"
Fred: "I live 43 miles away! Stop greenhousing me!!!"
by von groovy July 20, 2019

by Gari August 26, 2005

by nicker pease March 05, 2008

man, i wasnt smoking but my friends were greenhousing so bad i got high just by sitting in the car with them
by Downshift February 09, 2004
