To take a dump, thus dropping weight. Could also be "The 20 minute Diet" or in extreme cases "The 40 minute diet".
The Only diet plan that can guarantee you'll lose 1-3 pounds in 15 minutes while sitting and reading.

See you guys in about 15 minutes, I'm going on the 15 minute diet plan.
by Brock Berry October 16, 2007
Get the The 15 minute diet mug.