'Scrawler' definitions:

Definition of 'scrawler'

From: WordNet
noun
A writer whose handwriting is careless and hard to read [syn: scrawler, scribbler]

Definition of 'Scrawler'

From: GCIDE
  • Scrawler \Scrawl"er\ (-[~e]r), n. One who scrawls; a hasty, awkward writer. [1913 Webster]