✔ Meaning: a big mistake, something done badly
✔ For example:
- We got some guy in to fix the water heater, but he’s made a total cock-up of it. We still haven’t got any hot water.
- Did you see our newspaper advertisement with the wrong phone number in it? What a cock-up!
Variety: This slang term is typically used in British English but may be used in other varieties of English too