Meanings
- humorousrareuncountableSynonym of laughing gas (“nitrous oxide, especially when used as an anaesthetic”).
the dentists got me on some laughy gas && im GONE rn 🤣🤣
2019 January 11, @isdatnigel, Twitter (post)5 more examples
Mines sounds like that one..... really it does !! I don't do the laughy gas though. 12.87 M6 F-Bod on a free modded stock motor aint to^([sic]) shabby. :)))
2002 May 24, Wheelin, “One for Wheelin! (and all Camaro lovers!)”, in rec.toys.cars (Usenet), archived from the original on 04 Mar 2026The only reason, I have to add, that the above comment made me laugh like a hyena on laughy gas was the mental image of Vamps on the phone, going, "Yeah, well I was sitting right there at my computer when the messages wouldn't come through! […] YOU WEREN'T THERE! SHUT UP!"
2003 July 7, Chucky & Janica, “Why Jordan's Books Are So Long”, in alt.fan.robert-jordan (Usenet), archived from the original on 04 Mar 2026That ain't the real thing, tho. And it don't got laughy gas. So I can't super-charge my lawn-mower.
2007 April 14, ScottW, “breathing is a harmful emission”, in alt.timothy.sutter (Usenet), archived from the original on 04 Mar 2026at the dentist high as hell and they bout to give me some laughy gas boy oh boy
2019 February 21, @Scottie_jayy, Twitter (post)Once again back in my dentist office with laughy gas and starstruck odyssey nothing compares
2025 December 31, @car_keys_, X (post)Synonyms: laughing gas
Synonyms & antonyms
nounSynonym of laughing gas (“nitrous oxide, especially when used as an anaesthetic”).
Origin
A modification of laughing gas.
Full word history & related roots →Cite this entry
laughy gas. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/laughy%20gas
“laughy gas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/laughy%20gas. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “laughy gas,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/laughy%20gas.
Source: laughy gas on Wiktionary, CC BY-SA 4.0.