finish up finish up /ˈfɪnɪʃ ʌp/

verb

1. () Finally be or do something  ( fetch up , land up , finish up , end up , finish , wind up )
   finally be or do something
    He ended up marrying his high school sweetheart
   He ended up marrying his high school sweetheart
    He wound up being unemployed and living at home again
   he wound up being unemployed and living at home again
   
2. () Finish a task completely  ( finish off , mop up , wrap up [Informal] , clear up , finish up , get through , polish off [Informal] )
   finish a task completely
    I finally got through this homework assignment
   I finally got through this homework assignment