Alternative form of ouche
"When my foot slipped on the ice and I landed hard, I let out an ouch that echoed through the lobby."
An expression of one's own physical pain.
"Ouch, I just cut my finger on a paperclip."
The origin of "ouch" is uncertain, though it likely comes from the German word autsch. It may have entered English through Pennsylvania German as a cry of pain, with its first recorded use appearing in American English around 1838.