a millstone round your neck

a millstone around (one's) neck

An extremely difficult or disadvantageous burden or hindrance. I wish I hadn't bought that house—the mortgage is a millstone around my neck. Given the advisor's laundry list of scandals, he's proving to be quite a millstone around the candidate's neck.
See also: around, millstone, neck

a millstone round (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 round my neck. Given the man's laundry list of scandals, he's proving to be quite a millstone round the candidate's neck.
See also: millstone, neck, round
Farlex Dictionary of Idioms.

a millstone round your neck

a very severe impediment or disadvantage.
A millstone was a large circular stone used to grind corn. The phrase alludes to a method of executing people by throwing them into deep water with a heavy stone attached to them, a fate believed to have been suffered by several early Christian martyrs.
See also: millstone, neck, round
Farlex Partner Idioms Dictionary
See also:
  • a millstone around (one's) neck
  • a millstone around your neck
  • a millstone around/round somebody's neck
  • millstone around one's neck
  • a millstone about (one's) neck
  • millstone about neck
  • a millstone round (one's) neck
  • round
  • dig (oneself) in(to) a hole
  • dig yourself into a hole
References in periodicals archive
Wake up, Debbie - this man is like a millstone round your neck.
Clarissa said: "To have a millstone round your neck at such a young age seems to be totally wrong."