To finish completely, especially a food (polish the plate with one's tongue) or liquor.(verb)
To remove by polishing (rubbing with a fine abrasive).(verb)
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Use "polish off" in a sentence
"He does force down a few bites while I polish off the butter-slathered biscuit Jeanine returns with."
"Any road you choose, add fun heels in anything but black, one strong statement necklace think chunky ethnic, Lucite, or even multistrand carvings, and polish off the look with flirty, flesh-toned fishnets!"
"Matt Guerrier and Jon Rauch each worked an inning of relief to polish off the shutout."