The common people (3,6)
'the common people' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for hoi polloi that I've seen before include "The common people - in Greece" , "Plebs" , "(Often derogatory) term for the masses or common people" , "ordinary people" , "Proletariat" .)
'the common people' is the definition.
(I've seen this before)
This is the entire clue.
'the common people' is the definition.
(informal term for a common people)
This is all the clue.
(Other definitions for riff-raff that I've seen before include "Undesirables" , "Dregs of society" , "Disreputable people" , "rubbish" , "Hoi polloi" .)