noose

put (one's) head in a noose

To cause or ensure the ruin of one's plans, progress, or ambitions through foolish or reckless actions or words. Jeff had a real shot at winning the election, but he put his head in a noose by making those comments. Everyone knew the idea was bad, but no one was willing to put their head in a noose and criticize it during the meeting.
See also: head, noose, put

the noose is hanging

Preparations are complete. The phrase originally referred to public executions, and so it sometimes implies that an audience is assembled for whatever has been prepared. The actors are here, the stage is set, and the auditorium is filled. The noose is hanging, people—it's time to start Act I. I prepped the lab for the experiment, so the noose is hanging, whenever you want to begin.
See also: hanging, noose
Farlex Dictionary of Idioms.

put your head in a noose

or

stick your head in a noose

If you put your head in a noose or stick your head in a noose, you deliberately do something which will put you in danger or in a difficult situation. At the risk of putting my head in a noose, I will make some predictions. I wasn't going to stick my head in a noose and speak out in the meeting. Note: A noose is a loop and knot that is tied in rope in order to hang someone.
See also: head, noose, put
Collins COBUILD Idioms Dictionary, 3rd ed.

put your head in a noose

bring about your own downfall.
See also: head, noose, put
Farlex Partner Idioms Dictionary
See also:
  • stand in (one's) own light
  • a fool and his money are soon parted
  • fool and his money are soon parted
  • fool and his money are soon parted, a
  • parted
  • be heading for a fall
  • be falling over (oneself) to (do something)
  • be falling over yourself to do something
  • doofus
  • sow the wind, (and) reap the whirlwind
References in classic literature
By constant playing and experimenting with these he learned to tie rude knots, and make sliding nooses; and with these he and the younger apes amused themselves.
Tarzan of the Apes
The panther tore and rent Numa upon the right, while the ape-man struck home with his stone knife upon the other, so that before the mighty clawing of the king of beasts had succeeded in parting the rope he hung quite dead and harmless in the noose.
The Beasts of Tarzan
Amid renewed growling and another futile attempt to free himself, Numa was finally forced to submit to the further indignity of having a rope secured about his neck; but this time it was no noose that might tighten and strangle him; but a bowline knot, which does not tighten or slip under strain.
Tarzan the Untamed
The more common method is to catch them with a running noose, or little lazo, made of the stem of an ostrich's feather, fastened to the end of a long stick.
The Voyage of the Beagle
Drawing the noose taut, he tested the solidity of its hold.
Tarzan and the Jewels of Opar
They bent his hands and feet well behind his back, and bound them tight with a painful bond as Ulysses had told them; then they fastened a noose about his body and strung him up from a high pillar till he was close up to the rafters, and over him did you then vaunt, O swineherd Eumaeus saying, "Melanthius, you will pass the night on a soft bed as you deserve.
So saying he made a ship's cable fast to one of the bearing-posts that supported the roof of the domed room, and secured it all around the building, at a good height, lest any of the women's feet should touch the ground; and as thrushes or doves beat against a net that has been set for them in a thicket just as they were getting to their nest, and a terrible fate awaits them, even so did the women have to put their heads in nooses one after the other and die most miserably.
Odyssey
He watched them with a new interest as first one and then the other pounced upon the noose at his neck.
An Occurrence At Owl Creek Bridge
Feder: WGN reporter 'furious' over image of noose on gas tank cover
Feder: WGN reporter 'furious' over image of noose on gas tank cover
Chicago police have released 69 hours of video footage related to Jussie Smollett's alleged attack - including one showing him with a NOOSE around his neck.
Jussie Smollett seen with NOOSE around his neck after 'attack' in new police video; Chicago police have released hours of video footage relating to Jussie Smollett's alleged attack in Chicago earlier this year
Sir Lenny warns people in media 'fear the noose' SIR Lenny Henry has said UK broadcasters need a safe space for minorities to vent their feelings without "fearing the noose".
Sir Lenny warns people in [...]
The DPO appreciated police teams over successful operations and directed them to further tighten the noose against criminals.
Hangu police nab 21 POs, 4 absconders
has fired an employee who hung a noose in one of the manufacturer's production facilities in North Charleston.
Boeing fires employee who hung noose in manufacturer's facility
Guider is currently MD of the European Association of Co-operative Banks and is to take over the new position from Chris De Noose, MD of the European Savings and Retail Banking Group.
EBIC appoints Herve Guider as chair
IANS | London British luxury fashion house, Burberry, has apologised for showcasing a hoodie that featured a noose around the neck during its show at the recently concluded London Fashion Week.
Burberry apologises for hoodie with noose