noun - the literary equivalent of an art attack, also known as a write attack or word attack, that may occur when picking up a writing utensil after being literarily celibate for an extended period of time.
Joe was afraid to pick up his pen in class for fear he'd have a pengasm right in front of everyone
a feeling that you get when you write with a pen that is very smooth and rich
"Dude, let me see that pen."
"This pen is so cool, I got a pengasm yesterday."