Any action or procedure meant to cleanse, eradicate, or resolve any final or lingering loose ends. We've gotten most of the hard work done for the merger—we'll just send our legal team through our accounts on a mopping-up operation to make sure everything is in order before the move is finalized. The dictator began a massive mopping-up operation after assuming total power, sending troops throughout the country to round up and execute any remaining dissidents.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a clean-up operation; the final stages in a project where the loose ends are taken care of. It's all over except a small mopping-up operation. The mopping-up operation from the hurricane should cost just under twenty million.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
n. a clean-up operation; the final stages in a project where the loose ends are taken care of. It’s all over except a small mopping-up operation.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.