Definition of nostalgie de la boue in English:

nostalgie de la boue

noun

  • [mass noun] A desire for degradation and depravity.

    • ‘Why he was so severely afflicted with this nostalgie de la boue remains something of a mystery, like much else in his impenetrable private life.’
    • ‘This nostalgie de la boue can only be a generational thing.’

Origin

French, literally mud nostalgia.

Pronunciation:

nostalgie de la boue

/ˌnɒstalˈ(d)ʒiː də la ˌbuː/