Nostalgie de la boue is a French term meaning longing for an uncivilized, savage and indulgent life.
An example of nostalgie de la boue is a royal princess wishing she could dance naked on a float at carnevale.
nostalgie de la boue
a desire for or attraction to crudity, vulgarity, depravity, etc.
Origin of nostalgie de la boueFr, literally , nostalgia or longing for the mud