Ow (interjection)

Used to express sudden pain.

Origin:

Late middle english: variant of agh, representing a natural exclamation of pain.

Examples:

1. Ow, that hurts!
2. I stubbed my toe and let out an 'ow'.
3. Ow, don't touch it, it's hot!
4. She felt a sharp pain and exclaimed 'ow'.
5. He tripped over the rug and let out an 'ow'.