In a dream it signifies debt, sickness, or a journey that requires austerity and leaves the body dirty. Dirt [daran], by derivation, signifies aloeswood incense [nadd] and backgammon [nard], or alludes to what is rare [nadir] in every art. Dirt on the body and face is a multitude of sins.
Dream meaning · al-Nabulsi
Dirt (grime on the body) درن
Source: al-Nabulsi, Ta'tir al-Anam fi Ta'bir al-Manam, p. 118. English translation by iDreamBot. Quran verses: Quran.com, Saheeh International.