fall over

Verb

fall over (third-person singular simple present falls over, present participle falling over, simple past fell over, past participle fallen over)

1. (idiomatic, intransitive) To fall from an upright or standing position to a horizontal or prone position.

   Synonyms:

   topple, topple over

2. (idiomatic, intransitive) Of an argument, to fail to be valid.
3. (idiomatic, informal, intransitive) Of a computer program or system, to crash.
4. (South Africa, idiomatic, informal, intransitive) To break down; to become inoperable.
   • We'll have to walk; my car has fallen over.
5. (archaic) To revolt or change allegiance.