The story
A modification of laughing gas.
Etymology from Wiktionary, CC BY-SA 4.0.
laughy gas
Today it means: Synonym of laughing gas (“nitrous oxide, especially when used as an anaesthetic”). Full definition →
Today it means: Synonym of laughing gas (“nitrous oxide, especially when used as an anaesthetic”). Full definition →
A modification of laughing gas.
Etymology from Wiktionary, CC BY-SA 4.0.