douche rocketry 

The practices used by someone who is a douche rocket.

Where's Tom?

He off somewhere, engaging in douche rocketry, no doubt.

douche rocketry by Dusty Buttons February 14, 2007

Doucherocketry 

The science and practice of being a douche at a whole other level.

Prior to becoming a governor, Scott Walker earned his PhD in doucherocketry.

Doucherocketry by The Anarchist in the Library March 26, 2011