at beck and call

at (one's) beck and call

Completely compliant or obedient to another person; catering to one's every need. The phrase has a negative connotation. Do you really think I'll do anything you say? I'm not at your beck and call! A: "How can we get to the mall this weekend?" B: "Oh, my sister will take us—she's been at my beck and call ever since I caught her sneaking in past curfew!"
See also: and, beck, call
Farlex Dictionary of Idioms.

at someone's beck and call

ready to obey someone. What makes you think I wait around here at your beck and call? I have to leave for work, you know! It was a fine hotel. There were dozens of maids and waiters at our beck and call.
See also: and, beck, call
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

at (someone's) beck and call

Ready to comply with any wish or command.
See also: and, beck, call
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • at (one's) beck and call
  • at one's beck and call
  • at somebody's beck and call
  • at someone's beck and call
  • beck
  • be at (one's) beck and call
  • be at someone's beck and call
  • wrap (someone) around (one's) little finger
  • beck and call
  • wrapped around (one's) little finger