upper blumkin Posted in U Best definition upper blumkin When you pinch a loaf in the tank (upper deck) of a toilet, commonly as a prank, while getting a blowjob. My girlfriend and I upper blumkin’ed the club bathroom to save time. How satisfied are you with the definition? Looking for upper blumkin meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 118 times.