Calories can be burned in huge quantities simply by engaging in activities that don't actually require physical exertion. Here are a few examples.

Type of Exercise              Calories Burned
Passing the buck                                25
Hitting the nail on the head                50
Swallowing your pride                       50
Bending over backwards                    75
Beating around the bush                    75
Jumping to conclusions                     100
Dragging your heels                         125
Pulling out the stops                         150
Climbing the walls                            150
Jumping on the bandwagon                175
Eating crow                                     200
Pushing your luck                             220
Putting your foot in your mouth        250
Pulling your foot out of your mouth   275
Throwing your weight around         50 - 300  (depending on your weight)
Making mountains out of molehills     400
Picking up the pieces                        500