Noah Webster
Raff
R'AFF, verb transitive [Heb.]
To sweep; to snatch, draw or huddle together; to take by a promiscuous sweep. obsolete
Their causes and effects I thus raff up together.
R'AFF, noun
1. The sweepings of society; the rabble; the mob. This is used chiefly in the compound or duplicate, riff-raff.
2. A promiscuous heap or collection; a jumble.