The phrase "screw the pooch" is a slang expression that means to make a big mistake or to mess something up badly.
It is often used in informal or humorous contexts, but it can be considered vulgar or offensive to some people.
The phrase is believed to have originated in the military and has been used in pop culture references such as movies and television shows.
• I knew I screwed the dog pooch when I realized I had the wrong address for the meeting.
• John screwed the dog pooch by forgetting to prepare for the exam.
• The CEO screwed the dog pooch by embezzling company funds and causing the downfall of the entire organization.
• The company screwed the dog pooch by not meeting the deadline for the project.
• The politician screwed the dog pooch when he made that insensitive comment during the debate.