To make a pig of yourself is to be very sloppy and to not have a sense of good manners. If your mother said "Oh, for once your not making a pig of yourself eating sloppy joes!" That might mean you are eating cleanly and simply with utensils and not getting anything anywhere. As you can imagine, making a pig of yourself would be the opposite.
The correct answers would be Computer, Internet, Electronic, and pretty much anything else that refers to something with being online, or the internet.
