Nitrous oxide. Can be bought over the internet for 'culinary purposes'. A cheap drug that makes everything funnier, usually taken in a balloon so you get oxygen as well and don't die.
by Abraham Smith April 30, 2007
by The Return of Light Joker April 21, 2010
(Someone tells an awesome joke)
(Someone laughs & farts as a result)
"Dude, what the heck was that?"
"Aw, sorry man, it was laughing gas."
by Flamin Jeez April 24, 2009
Evan: Jules has laughing gas.
Chris: Like, to get high?
Evan: No, like, farting.
Chris: Lol!! (*farts*) Excuse me.
by NotDainty March 01, 2015