cacoethes scribendi is the insatiable desire to write; here is a poem devoted to the concept.
Etymology: Latin cacoethes, "bad habit" or (medically) "malignant disease"; from Greek kakoethes, "ill-habit, wickedness, itch for doing (something)"; kakos bad + ethes character.
First known English use in the mid-1500s.
Hey, that's not food....
After ten months, I'm beginning to lose my appetite for food-themed posts. I may do mini-themes for a while: a month of similar words. Or, I might just post whatever sounds cool that week.