mop up

definition: a concluding action
example:
speech part: noun
synonyms: completion
definition: finish a task completely
example:
speech part: verb
synonyms: wrap up clear up finish up get through finish off polish off
definition: defeat thoroughly
example:
speech part: verb
synonyms: whip
definition: to wash or wipe with or as if with a mop
example:
speech part: verb
synonyms: mop wipe up

How mop up is being used?