'polish off' definitions:

Definition of 'polish off'

From: WordNet
verb
Finish a task completely; "I finally got through this homework assignment" [syn: get through, wrap up, finish off, mop up, polish off, clear up, finish up]
verb
Kill intentionally and with premeditation; "The mafia boss ordered his enemies murdered" [syn: murder, slay, hit, dispatch, bump off, off, polish off, remove]
verb
Finish eating all the food on one's plate or on the table; "She polished off the remaining potatoes" [syn: eat up, finish, polish off]