In a dream it is a sign of good for one who does dirty, lowly work. For the poor it signifies their prosperity and the abundance of their money and goods; for the rich, their leadership, the abundance of their money and goods, and an honor with which the common people honor them.
Dream meaning · al-Nabulsi
Sweepings (rubbish) كناسة
Source: al-Nabulsi, Ta'tir al-Anam fi Ta'bir al-Manam, p. 297. English translation by iDreamBot. Quran verses: Quran.com, Saheeh International.