'doodle' definitions:

Definition of 'doodle'

From: WordNet
noun
An aimless drawing [syn: scribble, scrabble, doodle]
verb
Make a doodle; draw aimlessly

Definition of 'doodle'

From: GCIDE
  • doodle \doo"dle\, n. [Cf. Dawdle.] A trifler; a simple fellow. [1913 Webster]

Synonyms of 'doodle'

From: Moby Thesaurus