1mop something up, mop up somethingWipe liquid away from a surface with something absorbent.
- ‘a barmaid rushed forward to mop up the spilled beer’
2mop something up, mop up somethingComplete the military conquest of an area by capturing or killing remaining enemy troops.‘troops mopped up the last pockets of resistance’
finish off, deal with, make an end of, dispose of, account for, take care of, clear up, eliminate, dispatch
- ‘Remnants of the movement are still active in areas along the border, and U.S. forces are trying to mop them up.’
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