eat (something) off(redirected from eat something off)
eat (something) off
To erode or wear something away. A very corrosive substance must have eaten off this part of the pipe.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
eat something off (of) somethingand eat something off
to erode something off a larger part. (Of is usually retained before pronouns.) The acidic rain ate the finish off the steeple. The acid ate off the finish.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.