Requiring to be completed or acted upon. I'm finished with my work for the day, if there's anything else you need doing. That grass needs cutting when you have a chance.
See also: need
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
need (to be)
done Go to need doing.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.