What is "sunny-side up"

Usage examples of "sunny-side up".

Nothing boosts morale like a perfectly prepared plate of eggs sunny-side up and a pile of crispy hash browns.

First you have to tell her whether you want your eggs sunny-side up, over easy, scrambled, poached, parboiled, or in an omelette, and in an omelette, whether you want it to be a plain, cheese, vegetable, hot-spicy, or chocolate-nut-'n'-fudge omelette.

I tell her I want dry toast and more coffee, and Jinx tells her he wants a couple eggs, sunny-side up, and the scrapple.