Dunesday
Theatrical release date of Dune and Doomsday
Example
dude, are you getting tickets for dunesday?
of course. i’m seeing both on opening night
same. december 18 is going to be wild
it’s like the next barbenheimer all over again
Related Slang
| Barbenheimer | Barbie and Oppenheimer |
| Cinephile | A devoted fan of cinema |
| Fan service | Indulging fans' desires |
| Rom com | Romantic comedy |
| Dramedy | Dramatic and comedic movie |
| Fandom | Community of fans |
| Blockbuster | A commercially successful film |
| Tentpole | A huge, high budget project |
| Requel | A movie featuring elements from a previous film |
| Threequel | The third installation in a series of works |
| Slasher | Horror film |
| Buddy cop | Movie and TV genre featuring two different characters that must work together |
Can you survive our Dungeons & Dragons slang quiz?
Dunesday is a fan‑coined term for December 18, 2026, the day Dune: Part Three and Avengers: Doomsday, two of the year's most anticipated blockbuster films, are scheduled to release on the same date. The name blends "Dune" with "Doomsday," mimicking earlier pop‑culture portmanteaus like Barbenheimer (for the July 21, 2023, releases of Barbie and Oppenheimer), originating from fan excitement and social‑media buzz around a potential box‑office event.
The term started circulating in late 2025 and early 2026 after the lead stars and creators publicly joked about the shared release date, spreading across movie fandoms online. You may hear movie fans, social media users, and entertainment commentators use "Dunesday" to talk about the double‑feature spectacle, ticket sales, and the friendly "competition" between the sci‑fi epic and the superhero tentpole.