Idiom:doggy bag

 doggy bag 

Doggy bag :a bag which is used to wrap up the rest food after you eating.For example,when you ate in a restaurant,there are still many dishes left,so you want to bring them back home.

Here you should say,”Waiter,could you pls take the rest of this steak in doggy bags for me?”

 (according to the instruction,in old times,Americans were shamed to wrap up the rest food after eating outside,they would pretend to pack for their dogs,but in fact,always,they would continue eat when at home.nowadays,it’s very common to ask for doggy bags in restaurant or hotel,or greasy spoon,even potluck” 

"We had so much food left over from dinner at the China garden last night that we took enough home in doggy bags to feed the whole family tonight."  

 Sunny side up

 Sunny side up:the side which toward to the sun,it’s used to express that only fry one side of an egg:the yolk side;no need to fry the other side. 

For example:"I would like to have my eggs sunny side up."  

Hey,honey,don’t forget I like the eggs with sunny side up. 

Sir,would you like to have the egg sunny side up?

 Over easy

Over easy:fry both sides of an egg,it’s opposite from “sunny side up” 

M: "Miss, I'd like two fried eggs sunny side up and the sausage on the side."

F: "Not me. I don't like to see my eggs staring up at me with big yellow eyes. Miss, two fried eggs, over easy and not fried too hard." 

 It’s difficult to fry the eggs over easy fro me,hey,tell me,how can you do that?