(fandom slang) A fan holiday celebrating the Star Wars franchise, on May 4th.

plural of ninety-day wonder

plural of New Year's Day

Alternative form of Tomb Sweeping Day

plural of cold day in Hell

(Hong Kong) A kind of open-air food stall.

plural of dai pai dong

(philately) Alternative form of first day cover.

a clock that only needs to be wound once every week.

(US) The last day of school before the summer vacation in Hawaii, when non-white students are sometimes alleged to harass or attack white students.