millstone about neck

a millstone about (one's) neck

An extremely difficult or disadvantageous burden or hindrance. I wish I hadn't bought that house—the mortgage has been nothing but a millstone about my neck. Given the man's laundry list of scandals, he's proving to be quite a millstone about the candidate's neck.
See also: millstone, neck
Farlex Dictionary of Idioms.

millstone about one's neck

a continual burden or handicap. This huge and expensive house is a millstone about my neck. Bill's inability to control his temper is a millstone about his neck.
See also: millstone, neck
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a millstone about (one's) neck
  • a millstone round (one's) neck
  • a millstone round your neck
  • a millstone around (one's) neck
  • a millstone around your neck
  • a millstone around/round somebody's neck
  • millstone around one's neck
  • dig (oneself) in(to) a hole
  • dig yourself a hole
  • dig yourself into a hole