fais do-do
n.— «Despite the album’s throwback ethos, the boys in the band keep things hopping—”fais-do-do-ing,” in New Orleans parlance.» —“CD Reviews: Jay-Z and Linkin Park, Alison Krauss, Handsome Boy Modeling School and more” Sun-Sentinel (Florida) Dec. 10, 2004. (source: Double-Tongued Dictionary)
Further reading
A Francophone who’s feeling low might say so with J’ai le moral dans les chaussettes. The idiom avoir le moral dans les chaussettes means “to have morale in your socks.” This is part of a complete episode.
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