There are many ways to burn calories, an average sized human will burn about 2400 Calories per day without doing any exercise. The results are based on an average 150 pound human.
-Laughing for 10 minutes can make you loose between 20 and 40 Calories.
-On average, if you walk your dog for 30 minutes, you burn 100 Calories.
-Banging your head against a wall uses 150 Calories an hour.
-One hour spent sitting in front of the TV burns around 65 Calories.
-Constant texting can burn 40 Calories per hour
-Singing in the shower can burn an extra 10-20 Calories per song, depending on the volume and pitch of your voice.
-On average, brushing your teeth for three minutes will burn 10 Calories
http://www.nairaland.com/1128716/20-bizarre-ways-burn-calories