Mini-waver
A person who uses the a microwave in small increments, in an attempt to save time and achive the perfect temperature. It never works.
Sally: "Ugh! This hot pocket is still too cold, and my meeting is in 10 minutes!"
Frank: "Maybe you should stop being a mini-waver and just do what the box says."
Frank: "Maybe you should stop being a mini-waver and just do what the box says."