| small and usually irregular amounts: He repaid the loan in dribs and drabs. |
dribs and drabs
Bits and pieces, negligible amounts, as in There's not much left, just some dribs and drabs of samples. The noun drib is thought to be a shortening of driblet, for "drop" or "tiny quantity," dating from the early 1700s, whereas drab meaning "a small sum of money" dates from the early 1800s.