Change for a five, maybe (4)
I believe the answer is:
ones
'change for a five maybe' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ones that I've seen before include "(Of ship) returning to port of origin" , "Aces" , "Individuals" , "1 & 1 & 1" , "Singletons" .)