To become stoned by breathing in the exhaled fumes of a pot smoker.
Dude! I'm gonna make you second hand stoned!!!!
by David Hawaii May 30, 2007
When someone gets stoned from being around pot smoke without smoking it themselves.
He passed out on the drive home. I think he was secondhand stoned from when we smoked that bowl around him earlier.
by Bohopoetgirl February 18, 2011