You should ask for what you want politely when ordering.
Jonny is at a restaurant and is in a hurry to get home.
Jonny wants quick food service.
Jonny asks the waiter if the food can be made quickly as he's running late.
Jonny tells the waiter to bring his food fast in a raised voice.
The waiter tries hard to get him the food fast and respects Jonny.
The waiter likely resents Jonny and will take his time getting the food.