To move away from someone or something in very small increments or very gradually. I nudged the cat to try to get her to inch over a bit on the couch, but she wouldn't budge. I inched over when I noticed the bee walking along the windowsill.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to move over a tiny bit. Could you inch over a little? I need just a little more room. Please inch over a little.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.