Farting in the presence of other people inside a car with all the windows rolled up and the heater on. Not to be confused with the Dutch Oven that requires the farter and someone else underneath a blanket.
Scenerio: Driving down the freeway on a cold winter day.
Comment: "Eww Josh! It stinks in here!"
Reply: "Yes, I just created an American Microwave."
by Joshua Tad November 2, 2007
Get the American Microwave mug.