on someone's

In addition to the following idioms beginning with on someone's

  • on someone's back
  • on someone's coattails
  • on someone's nerves
  • on someone's side

, also see under

  • on one's
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.