Meanings
- slanguncountableNitrous oxide.
Origin
So called because inhaling the gas induces euphoria.
Full word history & related roots →Cite this entry
happy gas. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/happy%20gas
“happy gas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/happy%20gas. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “happy gas,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/happy%20gas.
Source: happy gas on Wiktionary, CC BY-SA 4.0.