Ow
/ˈaʊ/
interjection
An expression of one's own physical pain.
“Ouch! You stepped on my toe! That hurt!”
An expression in sympathy at another's pain.
“Ouch! Her sunburn looks awful.”
A reply to an insult seen as savage (frequently one that is tongue-in-cheek or joking).
“Ouch. How could you say that?”
interjection
Used for emotional emphasis.