What is a synonym for "come a cropper"?

Common synonyms include: capsize, careen, fall, fall flat, flounder, go a cropper.

Come a cropper

verb, slang

verb, slang ·Moderate ·College level

Verb

1
To fall headlong from a horse.
2
To suffer some accident or misfortune; to fail. British, idiomatic
"She came a cropper on the stairs and broke her leg."
3
To die. informal
"“No, Cynthia is a protégée of my mother’s, the daughter of an old schoolfellow of hers, who married a rascally solicitor. He came a cropper, and the girl was left an orphan and penniless. My mother came to the rescue, and Cynthia has been with us nearly two years now.”"

"She came a cropper on the stairs and broke her leg."

Possibly from the phrase neck and crop, in which crop may refer to the backside of a horse.