mop up or mop something up Definition

mop
noun

1. A tool for washing or wiping floors, consisting of a large sponge or a set of thick threads fixed on to the end of a long handle.
2. A similar smaller tool for washing dishes.
3. colloq
A thick or tangled mass of hair.

verb mopped, mopping

1. To wash or wipe (eg a floor) with a mop.

Thesaurus: wipe, swab, clean, wash.
2. To wipe, dab or clean (eg a sweaty brow).

Derivative: mopper
noun

Etymology: 15c.

Phrasal Verb: mop up or mop something up

To clean something up (eg a spillage) with a mop.To capture or kill (remaining enemy troops) after a victory.To deal with or get rid of (anything that remains).