Calories can be burned by the hundreds by engaging in strenuous activities...
... that do not require physical exercise.

Beating around the bush - 75
Jumping to conclusions - 100
Climbing the walls - 150
Swallowing your pride - 50
Passing the buck - 25
Throwing your weight around (depending on your weight) - 50-300
Dragging your heels - 100
Pushing your luck - 250
Making mountains out of molehills - 500
Hitting the nail on the head - 50
Wading through paperwork - 300
Bending over backwards - 75
Jumping on the bandwagon - 200
Balancing the books - 25
Running around in circles - 350
Eating crow - 225
Tooting your own horn - 25
Climbing the ladder of success - 750
Pulling out the stops - 75
Adding fuel to the fire --160
Wrapping it up at the day's end - 12

To which you may want to add your own favorite activities, including:

Opening a can of worms - 50
Putting your foot in your mouth - 300
Starting the ball rolling - 90
Going over the edge - 25
Picking up the pieces after - 350

Wrong forum section.

Well,I have used at least half of them,lol, good one!!!