Definition of scrawls:
(v) :
(transitive) To write something hastily or illegibly.
(v) :
(intransitive) To write in an irregular or illegible manner.
(v) :
(intransitive) To write unskilfully and inelegantly.
(n) :
Irregular, poor handwriting; especially, such writing that is illegible.
(n) :
A hastily or carelessly written note etc.
(n) :
Writing that lacks literary merit.