Meaning of fast worker

fast' work'er

Pronunciation: [key]
— Informal. Informal.
  1. a person who is quick and shrewd in gaining personal advantage: A fast worker, he soon knew everyone who had any pull.
  2. a person who charms or fast-talks members of the opposite sex easily.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.