file off Go to file
To remove something with the use of a file. A noun or pronoun can be used between "file" and "off." Is it safe to file off these calluses on my feet?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
file something off Go to file something
away (from something).
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.