1. One of the main characters in the legendary comic book series/graphic novel Watchmen Said main character wears a mask which appears similar to the ink blot test which psychiatrists use to evaluate clients. Rorschach is a "dark" hero, often killing or maiming the criminals he apprehends. 2. One of the best comic book heroes ever created.
Where you cum between a girl's tits or ass, press the tits or ass cheeks tightly together, then spread the tits or ass cheeks apart revealing a cum stain pattern similar to an ink blot or Rorschach test.
An act of aggression in which one uses the last sheet of toilet paper without replacing the roll, causing the next person that takes a shit to have to stand up and get more, effectively turning their asscheeks into a Rorschach shitblot test.
"Bro, why are you so late all the time? " "Dude, my asshole roommate keeps Rorschaching me. This morning I had to go on a mud-butt mission to find toilet paper , take a shower and basically start my whole day over." "That sucks, man. What a dick."