He mopped the sweat from his face. mop something away She mopped the tears away with a lacy handkerchief.4 mop the floor with somebody American English to completely defeat someone, for example in a game or argument [= wipe the floor with somebody British English] We mopped the floor with the team from Pomona High.mop something/somebody ??? up phrasal verb1DHC to remove liquid with a mop, a cloth,