Power gut 

The seemingly fat gut of a powerlifter which infact is hard as a rock and the source of his strength.

"Tony squats a shit ton, look at the size of that power gut!"

Power gut by 123jerk May 6, 2010

Powergut 

A sizeable gut created by pounding down double cheese burgers in an attempt to get strong quickly.

Kevin just did 6 months of Starting Strength, you should see his powergut.

Powergut by YoMomma138 August 31, 2010