Here are some examples of how to use "ouch" as an interjection:
* "Ouch! That was a sharp one!" (Expressing pain after getting a paper cut)
* "Ouch, my back!" (Complaining about a sore back)
* "Ouch! Did you see how high he jumped?" (Expressing surprise or shock, not pain)
* "Ouch, you're stepping on my toes!" (Expressing annoyance or discomfort)
You can also use "ouch" in a more playful or exaggerated way to express surprise, embarrassment, or even humor.
Example: "Ouch, you really had me going there! I almost believed you!"