Wiktionary
adv. (context US English) Of an egg prepared as food, fried egg on one side until most of the whites have cooked, then lightly fried on the other to finish cooking the whites, leaving the yolk unbroken and slightly soft (runny).
Usage examples of "over easy".
I figure he could narrow it to a pulse and fry a retina over easy.
When the waitress came, he scowled and ordered two eggs over easy, a big stack of pancakes, and sausage on the side.
Before he left Alex's Hot Potato Grill, Odie had consumed a short stack, two over easy, two quarts of coffee, and all of Miss Reba Nell Bixby.
He favored their eggs Benedict with fried ham but once in awhile he'd go for two over easy with bacon or the trucker's special which had three eggs, ham, bacon, and sausage, plus extra toast.
I signaled the usual, three eggs over easy, a double order of bacon, with hash browns and toast and coffee, plenty of coffee.
Approximately half of it would be over easy terrain, the other half would involve a good deal of cutting and blasting, probably at least five miles of tunneling.