The process of being so scared that you shit yourself.
Alice found the concept of alien anal probes so shitening that she wore a butt plug at all times.
by Captain_Wiggles May 26, 2008
1 more definition
The spawn of a shitstorm often seen in the distance before the storm hits. Shitening destroys all it hits.
Off in the distance chad could see the shitening, and knew the boss would have bad news.
by ddeckchair May 03, 2010