The state of your handwriting when extremely drowsy, tired, fatigued or sleepy.
Ie. the gibberish notes you take in class when your half asleep.
teacher: "...and so class, I hope your writing this down, x=pie $$%..."
student: *takes notes while dozing off*
Later at home...
student: wtf is this? *looks at notes and doesn't see, x=pie $$% but instead see's 匕z乂朩shxhdn.*Dang, I have repose calligraphy.