Over easy/medium/hard - Idioms by The Free Dictionary
Fig. [of eggs] turned carefully during cooking. I want mine cooked over easy. Over easy eggs are better than scrambled.
ˌover ˈeasy/ˈmedium/ˈhard (American English) (used about eggs) fried on both sides for a short time/for a moderate length of time/for a longer time: I’ll have two eggs over easy and a cup of coffee, please.