The act of using the shift/control+"Print Screen" option on the keyboard, (for instance to copy a picture which has been locked and is not copy-and-pasteable), then dumping it into a program like Photoshop for editing.
Putting those little screenthingies from a screendoor over your partner's face, then shitting and throwing up repeatedly on it so little droplets go through. Works well if you drink epicac and eat laxitives before doing this. Use lots of lubrication. Don't ask why.
I totally did a california screendoor on my chihuahua yesterday. Her begging for mercy was music to my ears!
n. a person who lacks professional experience and education in creative writing, usually unsuccessful in a non-related profession, but has a desire get into the Hollywood system and figures the best way in is to write and sell a screenplay.