scribble

Entry Definition
s/he writes it any old way (text); s/he scribbles on it (paper, book, etc.)
s/he scribbles, scrawls; s/he writes or draws in a place where s/he shouldn't (e.g., on wall, on tablecloth)
it is crazily written or drawn, is scribbled
s/he writes or draws crazily, scribbles