To clean up with a mop; especially to clean up a spill or mess.(verb)
To fix problems; to correct or repair.(verb)
To clear the leftovers of a dish, in order to eat them.(verb)
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Use "mop up" in a sentence
"Discerning the order of letters in the alphabet, figuring out which numbers are greater than which others, and telling time represent sequencing milestones for five- to seven-year-olds, who also are expected to mop up time-soaked vocabulary, words such as “before,” “after,” “until,” and “when.”"
"Binnie rang the bell for a maid and a cloth to mop up the sherry."
"Captain Bob caught his breath and used his eye-patch to mop up a bead of sweat on his forehead."