An interne presented an order-book; moppers had come in and waited to clean the tiled floor.
"K" by Mary Roberts Rinehart
Moppers-up, additional carriers, etc., will be furnished by other organizations.
"Military Instructors Manual" by James P. Cole and Oliver Schoonmaker
We were supported by the Liverpool Irish as 'moppers up'; and the North Lancs.
"At Ypres with Best-Dunkley" by Thomas Hope Floyd
The Berks came afterwards as 'moppers up.
"The Story of the 2/4th Oxfordshire and Buckinghamshire Light Infantry" by G. K. Rose