In skimpy bits; piecemeal: Details about Whitewater are coming out in dribs and drabs
[1850s+; drib is probably a shortening of dribble; drab earlier meant ''a small debt'']
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
Idioms and Phrases with dribs-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.