fabrication; made-up story; hoax; frame-up
Refers to something completely invented, often with malicious intent, such as a false accusation or a scam. The verb form is でっち上げる.
That article was a complete fabrication.
He was arrested on trumped-up charges.
It later came to light that the incident was a fabrication.
He was accused based on fabricated evidence.
The article's fabrication was exposed, and the reporter was fired.