screwup

noun

Etymology: Etymology tree English screw updeverb. English screwup Deverbal from screw up.

1. A substantial mistake, usually causing problems for more people than just the person or group who made it.

   “The Ford administration emerged in better shape than it deserved from the fantastic screw-up that preceded the release of the Rockefeller...”

2. A person who often makes substantial mistakes; a bungler.
3. A person who is mentally or emotionally damaged.